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DataGridColumnStyle.CheckValidDataSource Method

.NET Framework 4.5

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)

Syntax

C++

protected void CheckValidDataSource(
	CurrencyManager value
)

Parameters

value: Type: System.Windows.Forms.CurrencyManager
A CurrencyManager to check.

Exceptions

Exception	Condition
ArgumentNullException	The value is null.
ApplicationException	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.

C++

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);
    }
}

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

DataGridColumnStyle Class

System.Windows.Forms Namespace

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