GeoBlazor Pro
dymaptic.GeoBlazor.Pro
dymaptic.GeoBlazor.Pro.Components
FormTemplateExpressionInfo Class
The ExpressionInfo class defines the makeup of visibility expressions, required expressions, editable expressions, and value expressions.
ArcGIS Maps SDK for JavaScript
public class FormTemplateExpressionInfo : dymaptic.GeoBlazor.Core.Components.MapComponent
Inheritance System.Object 🡒 Microsoft.AspNetCore.Components.ComponentBase 🡒 dymaptic.GeoBlazor.Core.Components.MapComponent 🡒 FormTemplateExpressionInfo
Constructors
FormTemplateExpressionInfo() Constructor
Parameterless constructor for use as a Razor Component.
public FormTemplateExpressionInfo();
FormTemplateExpressionInfo(string, string, Nullable, string) Constructor
Constructor for use in C# code. Use named parameters (e.g., item1: value1, item2: value2) to set properties in any order.
public FormTemplateExpressionInfo(string? expression=null, string? name=null, System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType> returnType=null, string? title=null);
Parameters
expression System.String
An Arcade expression following the specification
defined by the Form Constraint or Form Calculation profiles.
ArcGIS Maps SDK for JavaScript
name System.String
The name of the expression.
ArcGIS Maps SDK for JavaScript
returnType System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType>
Indicates the return type of the Arcade expression.
ArcGIS Maps SDK for JavaScript
title System.String
The title used to describe the value returned by the expression.
ArcGIS Maps SDK for JavaScript
Properties
FormTemplateExpressionInfo.Expression Property
An Arcade expression following the specification defined by the Arcade Popup Profile. Expressions must return a string or a number and may access data values from the feature, its layer, or other layers in the map or datastore with the $feature, $layer, $map, and $datastore profile variables.
public string? Expression { get; set; }
Property Value
FormTemplateExpressionInfo.Name Property
The name of the expression. This is used to reference the value of the given expression in the popupTemplate’s content property by wrapping it in curly braces and prefacing it with expression/ (e.g.
{expression/expressionName}).
public string? Name { get; set; }
Property Value
FormTemplateExpressionInfo.ReturnType Property
Indicates the return type of the Arcade expression.
public System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType> ReturnType { get; set; }
Property Value
System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType>
FormTemplateExpressionInfo.Title Property
The title used to describe the value returned by the expression in the popup. This will display if the value is referenced in a FieldInfo table.
public string? Title { get; set; }
Property Value
Methods
FormTemplateExpressionInfo.GetExpression() Method
Asynchronously retrieve the current value of the Expression property.
public System.Threading.Tasks.Task<string?> GetExpression();
Returns
System.Threading.Tasks.Task<System.String>
FormTemplateExpressionInfo.GetName() Method
Asynchronously retrieve the current value of the Name property.
public System.Threading.Tasks.Task<string?> GetName();
Returns
System.Threading.Tasks.Task<System.String>
FormTemplateExpressionInfo.GetReturnType() Method
Asynchronously retrieve the current value of the ReturnType property.
public System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType>> GetReturnType();
Returns
System.Threading.Tasks.Task<System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType>>
FormTemplateExpressionInfo.GetTitle() Method
Asynchronously retrieve the current value of the Title property.
public System.Threading.Tasks.Task<string?> GetTitle();
Returns
System.Threading.Tasks.Task<System.String>
FormTemplateExpressionInfo.SetExpression(string) Method
Asynchronously set the value of the Expression property after render.
public System.Threading.Tasks.Task SetExpression(string? value);
Parameters
value System.String
The value to set.
Returns
FormTemplateExpressionInfo.SetName(string) Method
Asynchronously set the value of the Name property after render.
public System.Threading.Tasks.Task SetName(string? value);
Parameters
value System.String
The value to set.
Returns
FormTemplateExpressionInfo.SetReturnType(Nullable) Method
Asynchronously set the value of the ReturnType property after render.
public System.Threading.Tasks.Task SetReturnType(System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType> value);
Parameters
value System.Nullable<dymaptic.GeoBlazor.Core.Enums.ExpressionInfoReturnType>
The value to set.
Returns
FormTemplateExpressionInfo.SetTitle(string) Method
Asynchronously set the value of the Title property after render.
public System.Threading.Tasks.Task SetTitle(string? value);
Parameters
value System.String
The value to set.