TemplateControl.Eval Method (String)
.NET Framework 2.0
Evaluates a data-binding expression.
Namespace: System.Web.UI
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
'Declaration Protected Friend Function Eval ( _ expression As String _ ) As Object 'Usage Dim expression As String Dim returnValue As Object returnValue = Me.Eval(expression)
protected Object Eval ( String expression )
protected internal function Eval ( expression : String ) : Object
Not applicable.
Parameters
- expression
The navigation path from the container to the public property value to place in the bound control property.
Return Value
An object that results from the evaluation of the data-binding expression.| Exception type | Condition |
|---|---|
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The data-binding method can be used only for controls contained on a Page. | |
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expression is a null reference (Nothing in Visual Basic). - or - expression is an empty string (""). |
The value of expression must evaluate to a public property.
The Eval method calls the DataBinder.Eval method using the GetDataItem method to resolve the object reference that the expression is evaluated against.
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