SetColumnError Method (String, String)

DataRow.SetColumnError Method (String, String)

Sets the error description for a column specified by name.

Namespace: System.Data
Assembly: System.Data (in

public void SetColumnError (
	string columnName,
	string error
public void SetColumnError (
	String columnName, 
	String error
public function SetColumnError (
	columnName : String, 
	error : String



The name of the column.


The error description.

The name of a column is set with the ColumnName property of the DataColumn class.

To examine error descriptions, use the GetColumnError method.

To determine whether any errors exist for the columns collection, use the HasErrors method. Consequently, you can use the GetColumnsInError method to retrieve all the columns with errors.

To set a custom error description on the whole row, use the RowError property.

To determine whether any errors exist for the columns collection, use the HasErrors method.

To clear all errors for the columns collection, use the ClearErrors method.

The following example sets an error description for a specified DataRow.

private void SetColError(DataRow row, int columnIndex)
    string errorString = "Replace this text.";

    // Set the error for the specified column of the row.
    row.SetColumnError(columnIndex, errorString);

private void PrintColError(DataRow row, int columnIndex)
    // Print the error of a specified column.

Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

Community Additions

© 2015 Microsoft