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Antd select empty value

antd select empty value Press Ctrl + Enter. From the Type list, select one of these options: To allow users to choose to enter data or not, select User Entered - Optional. lastFetchId = 0; this. json()). Examples After performing a join between a feature class and a stand-alone table, such as dBASE IV, dBASE V, CSV, or PRN, the values in the fields from the joined table are empty or Null. When I try to continue to the next step, validation fails, claiming that all fields' values are empty, even the first one with the default initial value. me/api/?results=5'). NET uses the keyword Nothing for null values. If the result is true, the body content is included in the SQL query. options: Allows to include options in the select dropdown. This is a boolean attribute. isSearchable: Enable the value search functionality. Select your table or a range and press F5 to open the " Go To " dialog, and then click the " Special… " button. DateTimePicker1. The first sequence is not empty and the second sequence is empty. render ( < Empty image = { Empty. Create Now. ignore_empty (required) If TRUE, ignores empty cells. To display nothing if a cell is blank, you can replace the "value if false" argument in the IF function with an empty string ("") like this: = IF(D5 = "","","Closed") The text value can be set to empty string no problem, but not the number value. It uses a helper function called decision helper which takes two arguments that are each player’s weapon and returns an array containing two elements wherein the first element corresponds to the first player’s win/loose status and similarly the second element to the second player’s status. Click the chart you want to change. Although the length is 0, the value is not NULL. fetchUser = debounce (this. Home » JavaScript » Dynamically Add/Remove Options From Select JavaScript Dynamically Add/Remove Options From Select JavaScript by MemoryNotFound · November 4, 2016 To create a form in AntD and check the input of the FormItem Value, fileDecorator can be used. AntV - Data Visualization. slice (-3)} ${result} `; num = num. In the " Go to Special " dialog box, check the Blanks radio button to select all empty cells. dataset. NET uses the keyword Nothing for null values. maxTagPlaceholder, Placeholder for not showing tags, ReactNode | function(omittedValues), -. ISBLANK returns FALSE if the referenced cell has any content, including spaces, the empty string (""), and hidden characters When lookup_value can't be found, LOOKUP will match the next smallest value. An equivalent expression for SELECTEDVALUE(<columnName>, <alternateResult>) is IF(HASONEVALUE(<columnName>), VALUES(<columnName>), <alternateResult>). import{Empty }from'antd';ReactDOM. When To Use. Method 2. lastFetchId) {// for fetch callback Form. These are all valid values, and are not NULLs. How to check if a column in a data table has any values or not. SQL implements three logical results, so SQL implementations must provide for a specialized three-valued logic (3VL). lastFetchId; this. This is usually used to add a "- Select something -" entry to the list. value=this. VB. Bug Report. AntD Library - Axure library. Use IF and ISBLANK to produce the exact same result. Return value. ISBLANK(value) value - Reference to the cell that will be checked for emptiness. Select component to select value from options. By ‘bashism’ I meant “it is not ‘sh’ syntax”. Change the way that empty cells, null (#N/A) values, and hidden rows and columns are displayed in a chart. 2. defaultValue * optional Return this value if the provided value is empty. g. Select. Select the empty cells. The option tag contains the value that would be used when selected. less' it is the same as using Switch to toggle between two states. the value at the same position). Form is used to collect, validate, and submit the user input, usually contains various form items including checkbox, radio, input, select, and etc. setState ({selectedRowKeys: newSelectedRowKeys });},}, {key: 'even', text: 'Select Even Row', onSelect: changableRowKeys => {let newSelectedRowKeys = []; newSelectedRowKeys = changableRowKeys. Normalizes to: A value of the type provided by the coerce argument. The child Fields can be distinguished by using type clauses: Item. The column Grid system in ANT Design is a value of 1–24 to represent its range spans. In Oracle, EMPTY_BLOB() function allows you to assign an empty value (with 0 length) to a BLOB column. text1 (required) Text item to be joined. A dropdown menu for displaying choices - an elegant alternative to the native <select> element. True if DataFrame is entirely empty (no items), meaning any of the axes are of length 0. slice (0, num. roadhogrc to integrate babel-plugin-import. log ('fetching user', value); this. value=this. Use the following syntax label => value or value. See the examples for an alternative way of achieving this. header (optional) (translatable) will add an entry, with an empty value, at the top of the list of options. ISBLANK returns TRUE if value is empty or a reference to an empty cell, and FALSE if it contains data or a reference to data. Customize image source, image size, description and extra content. value A DOMString reflecting the value of the form control. To split a string into a list of string values so that you can select an element from the resulting string list, use the Fn::Split intrinsic function. We also update this state in a change event listener with the onChange prop. The difference is that Switch will trigger the state change directly, but Checkbox just marks the state as changed and this needs to be submitted. Input and Select. The <select> element is used to create a drop-down list. IsNullOrEmpty but it is always returning true. PRESENTED_IMAGE_SIMPLE. thanks in advance _ Integrating antd in React With Hooks. log (value); // this. For example, 0 and false will both return true , which surprises many an unwary developer! When an item in the <select> menu is selected, the value of the selected option will be bound to the model identified by the ngModel directive. dataset. import { Empty } from 'antd'; ReactDOM. notice the empty array NULL represents an unknown value. This might be the case if we are using "nz-select" as a form field and we want to patch form with some previously saved data during Form initialization. bind(elm) or a factory function). Note. value (remember to use . A null value is a value that doesnt refer to any object. Group> the checkbox corresponding to the value does not get set if I am using an antd Form. If a field in a table is optional, it is possible to insert a new record or update a record without adding a value to this field. Select(“colname is null”) Any() method Need to check if the column has any values or is it empty before proceeding for each loop If value or value_if_na is an empty cell, IFNA treats the cell’s value as an empty string (“”). The default value of the select element can be set by using the ‘selected’ attribute on the required option. Click ranges in the configuration generator for examples. It let me upload file upto 1 mb only. Select component to select value from options. value * The input value to compare against null or ''. Community. name description type default; className(web) additional css class of root dom node: String: prefixCls(web) prefix class: String '' defaultSelectedValue(web) pandas. Hi. Press Ctrl + H to display the Find & Replace dialog box. form. finally the switch will appear by default as true Drop down data binding is always interesting in different UI technologies. Inside the stored procedure, there’s a SELECT statement with a WHERE clause with an OR condition. I tried many combinations all to no avail. 1, and now here comes ng-zorro-antd 7. Instead, initialize it to the constant String. Default widget: Select; Empty value: Whatever you’ve given as empty_value. onInputChange: Triggers when any value changes in the input. com/sug?${str}`). Select the range with empty cells. The following code example demonstrates how to use the DefaultIfEmpty<TSource>(IEnumerable<TSource>, TSource) method and specify a default value. It would mostly work on “advanced” ‘sh’ compliant shells. taobao. In Replace cell with value, specify the new value. As far as i know it not yet possible to choose null values as date from the date picker in powerapps. In the meanwhile of course, in your Update function you can check for an empty input string and update the record with zero, but this is not satisfactory. Component { handleTeacherChange = value => { console. ResultHandler: It contains the major game logic which decides which player has won. render ( < Select defaultValue = " lucy " style = { { width: 200 } } onChange = { handleChange } > < OptGroup label = " Manager " > < Option value = " jack " > Jack </ Option > < Option value = " lucy " > Lucy </ Option > </ OptGroup > < OptGroup label = " Engineer " > < Option value = " Yiminghe " > The Select field is empty if there is pre-selected Items in the component. render(<Emptyimage={Empty. vue-treeselect is a multi-select component with nested options support for Vue. A card can be used to display content related to a single subject. If the first value in the set is null, then the function returns NULL unless you specify IGNORE NULLS. value: It is referred to the current value. empty ¶ Indicator whether DataFrame is empty. The first statement inserts a record with a supplier_name that is null, while the second statement inserts a record with an empty string as a supplier_name. Check the Allow multiple box to enable multiple selection. [text2 . When defining a string in a class, dont initialize it to null. Then, the field will be saved with a NULL value. validateField ( When using a multi-select on antd theme. empty¶ property DataFrame. . form. Specify the location of splits with a delimiter, such as , (a comma). It is not an empty string (by default), or a zero value. Add antd as a we are going to make a single form segment that will show its value in the input field after submitting the form. Allows multiple value selection. e. (<Domain>. Strings are reference types and can be equal to the null value like any other reference type. Remarks. A null value is a value that doesnt refer to any object. css'; // or 'antd/dist/antd. " For example, a Combo box control's Selected property is blank if the user hasn't made a selection. If a number is supplied, it will be treated as text. import{Select }from'antd';importjsonp from'fetch-jsonp';importquerystring from'querystring';const{Option }=Select;lettimeout;letcurrentValue;functionfetch(value,callback){if(timeout){clearTimeout(timeout);timeout =null;}currentValue =value;functionfake(){conststr =querystring. What is an Empty Strings ? Even when I add a third select component, dependent on the second one, it doesn't recognize the value selected in the second component either. The value when the context for columnName has been filtered down to one distinct value only. To split a string into a list of string values so that you can select an element from the resulting string list, use the Fn::Split intrinsic function. forEach(r=>{data. The difference is that Switch will trigger the state change directly, but Checkbox just marks the state as changed and this needs to be submitted. 1. I am trying to figure out how to check a column is not empty/null inside an if statment. @raj-websultanate: Hi, I am using ant design Upload component and it let me upload photos of larger size (20 mb) in development environment but the same code is not working on staging environment. Installation # We recommend using @angular/cli to install ,it not only makes development easier,but also allow you to take advantage of the rich ecosystem of angular packages and tooling. I handle this by having my startup JS give input and select elements having attribute data-value an “onchange” handler (or “change” event listener) that does this. length > 3) {result = `, ${num. 0! (From 7. 0. If a set of empty tuples or an empty set is specified, this function returns an empty value. then(d=>{if(currentValue ===value){const{result }=d;constdata =[];result. encode({code:'utf-8',q:value,});jsonp(`https://suggest. Many data sources can store and return NULL values, which are represented in Power Apps as blank. When a table is created or the format altered, columns can be specified as accepting NULL values, or not accepting them, with the NULL and NOT NULL clauses respectively. Any data whose entries are defined in a hierarchical manner is fit to use this control. i am need to make him choose the value and also according to the tab. High performance Form component with data scope management. The data type of defaultValue must match the data type of value. import { Select } from 'antd'; const { Option, OptGroup } = Select; function handleChange ( value) { console. ng-zorro-antd synchronizes design specification with Ant Design on a regular basis, you can check the log online. Returns the value property of the first selected option element if there is one, otherwise the empty string. Select, Select component to select value from options. Returns bool. Examples. Chat Room. The definition of empty depends on the value in question. g. If value is a range reference, IFNA returns an array formula result with one entry for in-the-range reference. alipayobjects. /index. See repo 。 $ npm install antd babel-plugin-import --save. Within this macro structure, the parameter is a Range object (Cell). Grid ANT Design is a 24 Grid System. However, if this value is an empty array, then the empty array will be returned. Select. Attribute)Value to select the attribute, and Item. Depending on whether the value is a number or text, the behaviors in calculations differ. Including data collection, verification, and styles. A few seconds and you have all the empty cells filled with the value you entered. The JSON data type from the specified string, or an empty value when null is specified. Customize. name: Name of the HTML Input (optional – without this, no input will be rendered). If the last value in the set is null, then the function returns NULL unless you specify IGNORE NULLS. , a location field must contain a valid location name: combo box. If I use <Checkbox. Any property or calculated value in Power Apps can be blank. Instead, initialize it to the constant String. An enterprise-class UI design language and React-based implementation with a set of high-quality React components, one of best React UI library for enterprises An enterprise-class UI design language and React-based implementation with a set of high-quality React components, one of best React UI library for enterprises Hello. Else, alternateResult. Must be greater than zero, and max - min should be evenly divisible by the step value. When a table is created or the format altered, columns can be specified as accepting NULL values, or not accepting them, with the NULL and NOT NULL clauses respectively. 3. ) Null is a term used in all databases; it is the value of a field when you have not A flexible and beautiful Select Input control for ReactJS with multiselect, autocomplete and ajax support. You can also use null() to get a null value. '); const prefix = list [0]. For single selects only, in order for the placeholder value to appear, you must have a blank <option> as the first option in your <select> control. When you need to create an instance or collect information. Value to be added or subtracted on each step the slider makes. The value for the textbox must be chosen from a predefined set of allowed values, e. Joins are also case sensitive. Multi-select placeholders ranges: (object) Set predefined date ranges the user can select from. Binary conditional elements compare a property value to a static value or another property value. Click in the worksheet, then choose Editor > Find and Replace > Replace Formatted Cell Value. To prompt users to enter data and make the field recommended, select User Entered - Recommended and type a custom message in the Empty Message box. js Antd select placeholder. log ( `selected $ { value } `); } ReactDOM. Now, let's retrieve all rows with a supplier_name that is an empty string value as follows: select * from suppliers where supplier_name = ''; HTMLSelectElement. hai , help I would like to be able to display a DateTimePicker that has a default value of nothing but not like this. Introduction. If DataFrame is empty, return True, if not return False. Remarks. length -3);} if (num) {result = num + result;} return ` ${prefix} ${result} ${list[1] ? `. First it matches the EmployeeId parameter with the EmployeeId field and in second case it tests the EmployeeId parameter for Null using the ISNULL function and then checks whether it is Blank (Empty). I have a datatable I am filling from a select statment and right now I know for a fact that the select statment returns no information form the DB. render(<Emptyimage="https://gw. NET program that uses values, Nothing Module Module1 Sub Main() ' Initialize an Integer to Nothing. The controlled components approach can help you access the value of any input field: being regular textual inputs, textareas, select fields. Any solution to this? i am stuck at this from morning and can't find anything in the docs. fetchUser, 800);} state = {data: [], value: [], fetching: false,} fetchUser = (value) = > {console. . sql_select (mandatory if not using the query attribute) is the SELECT clause of the SQL statement. It is not an empty string (by default), or a zero value. The IsEmpty function: Takes one parameter (expression) of the Variant data type. When To Use #. It is a Blank (Null) value, distinct from a string. css"; import { Select, Button, Form } from "antd"; const Option = Select. , a search field may suggest similar or previous searches to save the user time An IEnumerable<T> that contains defaultValue if source is empty; otherwise, source. then (response = > response. The <select> element is most often used in a form, to collect user input. PRESENTED_IMAGE_SIMPLE } />, mountNode); Customize Description. 9. This setting is useful for data densification. I am currently using !string. If you need to include a parameter value or variable in the JSON object, use the concat function to create the string that you pass to the function. Example - With SELECT Statement. value (remember to use . NULL represents an unknown value. Element)Value to select the field, where <Domain> is one of XML, XMLNS, or XMLNSC, as determined by the message domain of the source. I have tried the dt. These are all valid values, and are not NULLs. Strings are reference types and can be equal to the null value like any other reference type. The name attribute is needed to reference the form data after the form is submitted (if you omit the name attribute, no data from the drop-down list will be submitted). Use validateFields to check if a field is empty or not. 0, the package’s major version number would be aligned to Angular’s)… Check if Dobby has a master and its text value is not empty; Find nodes that have a specific attribute; Finding elements containing specific attributes; Finding elements containing specific text; Get nodes relative to the current node; Get the count of nodes; Location paths and axes; Namespaces; Select nodes based on their children The select tag in HTML is used to create a dropdown list of options which can be selected. CustomFormat = " "because in database will input 1 space. We may want to select an initial value of the dropdown. Ant AFX. Ah, this is an old argument. The default value that shows when no date is selected can be very confusing to users. Each key is the label for the range, and its value an array with two dates representing the bounds of the range. Using EMPTY_BLOB() in Oracle Let's create a table with a BLOB column in Oracle and insert data: We’ve added a new piece of state called value and bound that to the value prop on the select element in the JSX. This hard coded empty string value will represent starting value of dropdown list. Input and Select. Click Hidden and Empty Cells. ; Utilizing Radio is recommended when there are fewer total options (less than 5). TreeSelect. import {Input, Tooltip } from 'antd'; function formatNumber (value) {value + = ''; const list = value. Setting the initial value. css"; import ". If your first option were non-empty, the browser would display this instead of the placeholder. TreeSelect is similar to Select, but the values are provided in a tree like structure. If you want to simulate a more natural typing behaviour while testing your component, consider the companion library user-event How to clear selected value and all text when click reset value button? The text was updated successfully, but these errors were encountered: Copy link Integrate antd # Install antd and babel-plugin-import with npm. The content can consist of multiple elements of varying types and sizes. Specify the location of splits with a delimiter, such as , (a comma). As I understand it, a DateTimePicker can only use a date value between MinDate and MaxDate, and can not be empty. (XML. import{Empty,Button }from'antd';ReactDOM. So i am looking for a way to force users to select a date that is not the default date. Here is an example of how to use the Oracle IS NULL condition in a SELECT statement: SELECT * FROM suppliers WHERE supplier_name IS NULL; This Oracle IS NULL example will return all records from the suppliers table where the supplier_name contains a null value. If you add the rules option here, the rule automatically checks if the added FormItem value is empty Ant Design is a React UI library that has a plethora of easy-to-use components that are useful for building elegant user interfaces. This may be a value of any type. Simple rectangular container. A dropdown menu for displaying choices - an elegant alternative to the native <select> element. babel-plugin-import is used to automatically import scripts and stylesheets from antd on demand. HTMLSelectElement. const MyInput = ({ value = '', onChange }) => ( <input value={value} onChange={onChange} /> ); At this time, the input of MyInput is completely determined by the value attribute. Value and textContent can be interpolated. VB. When To Use #. . There are two camps for how “empty” text fields should be stored: It is an empty string, an actual string with zero length that contains no characters. Egg - Enterprise Node Framework. I think we need a Null value or something like that from the programme team. Card. target. Go to Chart Tools on the Ribbon, then on the Design tab, in the Data group, click Select Data. $ {list [1]} ` : ''}`;} class NumericInput extends React. Now the select component work only to the enter key. Created by Chinese conglomerate Alibaba, Ant Design is used by several big names: Alibaba (of course), Tencent, Baidu, and more. Example Definition and Usage. Group> without a <Form> setting the value property works. xz Thank you very much! Question Tags: antd , react. I handle this by having my startup JS give input and select elements having attribute data-value an “onchange” handler (or “change” event listener) that does this. When I set the value property of a <Checkbox. LOOKUP returns the corresponding value in result_vector (i. They all mean different things, and are not the same as 0 (zero) or "" (a zero-length string. PHP’s empty() function is annoyingly loose. 8. validateField ( ["Dropdown2"]); }; handleCourseChange = value => { console. willValidate Read only A Boolean that indicates whether the button is a candidate for constraint validation. While using ng-options in angularjs optionally we need to define one hard coded <option> element with value as empty string in <select> element. According to the principle, render will be rendered again after setting state, but the value of default value is still empty, and you can’t see it on the page res. Empty. js. You will find that you cannot enter anything in the input box with the new code (because the value is always empty). With static or repeated options, this is the content of the value attribute or the textContent of the <option>, if the value attribute is missing. SELECTION_NONE, {key: 'odd', text: 'Select Odd Row', onSelect: changableRowKeys => {let newSelectedRowKeys = []; newSelectedRowKeys = changableRowKeys. slice (1): list [0]; let result = ''; while (num. Empty. Validates that the given value exists in the list of choices and can be coerced. then ((body) = > {if (fetchId !== this. Ant Design - UI Design Language. In SQL Server, you can use 0x constant (empty binary string). When marks is not an empty object, step can be set to null , to make marks as steps. filter ((key, index) => {if (index % 2!== 0) {return true;} return Used for selecting multiple values from several options. import 'antd/dist/antd. If you use only one checkbox, it is the same as using Switch to toggle between two states. The following table describes how the Aggregate function behaves with different aggregation functions. Just like a ChoiceField, except TypedChoiceField takes two extra arguments, coerce and empty_value. Has anyone encountered this problem? Layout given by ANT. From Find style, select the cell format to search for. When select_one, select_multiple, and hidden question types are empty, or when a rank question hasn't been altered by the user, they contain an empty string. filter ((key, index) => {if (index % 2!== 0) {return false;} return true;}); this. In the Items field, specify a newline-separated list of items. In the Object palette, in the Value tab. lastFetchId + = 1; const fetchId = this. Notes. Component {constructor (props) {super (props); this. Press F2 to enter a value in the active cell. Similar to a Boolean that can be only True or False, in addition a third possible value of Null is possible. setState ({fetching: true}); fetch ('https://randomuser. If you specify IGNORE NULLS, then FIRST_VALUE returns the fist non-null value in the set, or NULL if all values are null. placeholder It returns the last value in an ordered set of values. If you want to highlight cells containing formulas with errors, choose Formulas > Errors. . json ()). import React from "react"; import ReactDOM from "react-dom"; import "antd/dist/antd. Move to the Replace tab in the dialog. log (value); // this. I have found that you have to set valuePropName to "option" in the getFieldDecorator options in order for the placeholder text to show, but I can't find any documentation on this, so I wanted to share incase other people have run into the same issue. It has been three months since we released the last stable version 1. PRESENTED_IMAGE_SIMPLE}/>,mountNode); Customize Description. Type in the number or text you want. Dataframe class provides a constructor to create Dataframe object by passing column names , index names & data in argument like this, def __init__(self, data=None, index=None, columns=None, dtype=None, def __init__ (self, data=None, index=None, columns=None, dtype=None, def __init__ (self, data=None, index=None, columns=None, dtype=None, To create an empty dataframe object we passed columns argument only and for index & data default arguments will be used. ) Other than Null, they are all part of the VBA language (Visual Basic for Applications. HTML MultiSelect Dropdown is a textbox component that allows the user to type or select multiple values from a list of predefined options. charAt (0) === '-'? '-': ''; let num = prefix ? list [0]. Empty? Missing? Null? It can be confusing to know which of these terms to use. bind(elm) or a factory function). . When to use #. A text string, or array of strings, such as a range of cells. This is because the browser tries to select the first option by default. What is an Empty Strings ? An enterprise-class UI design language and React-based implementation with a set of high-quality React components, one of best React UI library for enterprises if the build is triggered via the Run Custom Build dialog with the box checked, the "checked" value is used, if it is not empty; if it is empty, the true value is used. What is a NULL Value? A field with a NULL value is a field with no value. Tree selection control. If you specify IGNORE NULLS, then LAST_VALUE returns the fist non-null value in the set, or NULL if all values are null. DataFrame. Returns True if the variable is uninitialized or explicitly set to Empty. VB. You can use Row for rows and Col for columns and next we will create the inputs file, this will contain all the ant desing elements that we will need for this example we will use a:-basic input-select-switch Our basic input will only receive a placeholder as a parameter, the select will receive a default value to show when mounted on the DOM, and the remaining values. i'm exactly clear on how In React, the selected value is defined with a value attribute on the select tag: Example: A simple select box, where the selected value "Volvo" is initialized in the constructor: The React Multi Select Dropdown is a quick replacement for the HTML select tag for selecting multiple values. The field renders fine but when a model is given through Autoform and then cleared it gives (pass no / empty model): Uncaught Error: must set key for <rc-animate> children After debugging, I think Using OptGroup to group the options. . 1. You can choose another style of image by setting image to Empty. Select. Dealing with errors When the user types into the input field, the onChange handler updates the state with the input’s value accessed from the event object: event. In this case, the lookup_value is 2, but the largest value in the lookup_array is 1, so lookup will match the last 1 in the array. When we assign them to Nothing, we get an empty Structure (with no bits set to 1). When defining a string in a class, dont initialize it to null. You can choose another style of imageby setting image to Empty. Let’s modify the demo to make it work again: Blank is a placeholder for "no value" or "unknown value. PRESENTED_IMAGE_SIMPLE. Edit . then(response=>response. Single & multiple select with nested options support; Fuzzy matching; Async searching Use the IF function and an empty string in Excel to check if a cell is blank. By mapping empty string to undefined, we make formik happy, because now we can provide an initial value for the field as strongly suggested and at the same time ant design's Select will also show the placeholder because now it gets undefined as value in case of empty string. A text string, either empty, or one or more characters enclosed by double quotes, or a reference to a valid text string. Option; class SelectOption extends React. The textbox may contain any arbitrary value, but it is advantageous to suggest possible values to the user, e. split ('. Null values can be the result of several factors: Values in the specified fields for the join do not match. Is it possible to somehow do something so that when you select in the list using the "tab" key on keyboard, you first select a value(by tab button) and immediately switch to another field. When To Use. props. First of all feeding the drop down a list of dynamic data values from a web service and then saving the selected value in our state along with some simple validation. As you can see, in the second example, the interpreter is marked as “bin/sh” and the file contains “double square brackets” syntax, which could fail on so many different oses. 0. This setting is useful for data densification. SELECT NULL OR TRUE -- Results in True In this case, the fact that the value on the left of OR is unknowable is irrelevant, because the outcome of the OR operation would be True regardless of the value on the left. value. Here, the XML field Item has two child Fields, both called "Value". props. antd select empty value