DataGridColumnStyle.CheckValidDataSource(CurrencyManager) Method
Definition
Important
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Throws an exception if the DataGrid does not have a valid data source, or if this column is not mapped to a valid property in the data source.
protected:
void CheckValidDataSource(System::Windows::Forms::CurrencyManager ^ value);
protected void CheckValidDataSource (System.Windows.Forms.CurrencyManager value);
member this.CheckValidDataSource : System.Windows.Forms.CurrencyManager -> unit
Protected Sub CheckValidDataSource (value As CurrencyManager)
Parameters
- value
- CurrencyManager
A CurrencyManager to check.
Exceptions
The value
is null
.
The PropertyDescriptor for this column is null
.
Examples
The following code example gets a CurrencyManager for a data source and uses the CheckValidDataSource to determine if the CurrencyManager is valid.
private:
void CheckCurrencyManager( CurrencyManager^ myCurrencyManager )
{
// This code is from a class named MyDataGridColumnStyle derived
// from DataGridColumnStyle.
MyDataGridColumnStyle^ myGridColumn = this;
try
{
myGridColumn->CheckValidDataSource( myCurrencyManager );
}
catch ( ArgumentNullException^ e )
{
Console::WriteLine( e->Message );
}
catch ( ApplicationException^ e )
{
Console::WriteLine( e->Message );
}
}
private void CheckCurrencyManager(CurrencyManager myCurrencyManager) {
// This code is from a class named MyDataGridColumnStyle derived
// from DataGridColumnStyle.
MyDataGridColumnStyle myGridColumn = this;
try {
myGridColumn.CheckValidDataSource(myCurrencyManager);
}
catch (ArgumentNullException e) {
Console.WriteLine(e.Message);
}
catch (ApplicationException e) {
Console.WriteLine(e.Message);
}
}
Private Sub CheckCurrencyManager(myCurrencyManager As CurrencyManager)
' This code is from a class named MyDataGridColumnStyle derived
' from DataGridColumnStyle.
Dim myGridColumn As MyDataGridColumnStyle = Me
Try
myGridColumn.CheckValidDataSource(myCurrencyManager)
Catch e As ArgumentNullException
Console.WriteLine(e.Message)
Catch e As ApplicationException
Console.WriteLine(e.Message)
End Try
End Sub
Applies to
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