TemplateControl::Eval Method (String^)
.NET Framework (current version)
Evaluates a data-binding expression.
Assembly: System.Web (in System.Web.dll)
Parameters
- expression
-
Type:
System::String^
The navigation path from the container to the public property value to place in the bound control property.
Return Value
Type: System::Object^An object that results from the evaluation of the data-binding expression.
| Exception | Condition |
|---|---|
| InvalidOperationException | The data-binding method can be used only for controls contained on a Page. |
| ArgumentNullException | expression is null. - 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.
.NET Framework
Available since 2.0
Available since 2.0
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