DataGridColumnStyle.CheckValidDataSource Method (CurrencyManager)

 

Throws an exception if the System.Windows.Forms.DataGrid does not have a valid data source, or if this column is not mapped to a valid property in the data source.

Namespace:   System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

protected void CheckValidDataSource(
	CurrencyManager value
)

Parameters

value
Type: System.Windows.Forms.CurrencyManager

A CurrencyManager to check.

Exception Condition
ArgumentNullException

The value is null.

ApplicationException

The PropertyDescriptor for this column is null.

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);
    }
}

.NET Framework
Available since 1.1
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