LinqDataSourceValidationException.InnerExceptions Property
Definition
Important
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Gets one or more exceptions that occurred when new or modified data was being validated.
public:
property System::Collections::Generic::IDictionary<System::String ^, Exception ^> ^ InnerExceptions { System::Collections::Generic::IDictionary<System::String ^, Exception ^> ^ get(); };public System.Collections.Generic.IDictionary<string,Exception> InnerExceptions { get; }member this.InnerExceptions : System.Collections.Generic.IDictionary<string, Exception>Public ReadOnly Property InnerExceptions As IDictionary(Of String, Exception)Property Value
A collection that contains the exceptions.
Implements
Examples
The following example shows an event handler for the Updating event. It displays any validation exception messages by using a Label control.
Protected Sub LinqDataSource_Updating(ByVal sender As Object, _
ByVal e As LinqDataSourceUpdateEventArgs)
If (e.Exception IsNot Nothing) Then
For Each innerException As KeyValuePair(Of String, Exception) _
In e.Exception.InnerExceptions
Label1.Text &= innerException.Key & ": " & _
innerException.Value.Message & "<br />"
Next
e.ExceptionHandled = True
End If
End Sub
protected void LinqDataSource_Updating(object sender,
LinqDataSourceUpdateEventArgs e)
{
if (e.Exception != null)
{
foreach (KeyValuePair<string, Exception> innerException in
e.Exception.InnerExceptions)
{
Label1.Text += innerException.Key + ": " +
innerException.Message + "<br />";
}
e.ExceptionHandled = true;
}
}
Remarks
The InnerExceptions collection contains all the validation exceptions that were thrown during data validation before an update, insert, or delete operation. A validation exception can occur if a value does not match the type of the property. For example, if you try to update an integer property by using non-numeric characters, a validation exception is thrown. A LINQ to SQL class can also contain customized validation criteria that make sure that the property contains a value that is within an expected range or pattern.
