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DataGridView.UpdateCellErrorText Method

Forces the cell at the specified location to update its error text.

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

public void UpdateCellErrorText(
	int columnIndex,
	int rowIndex
)

Parameters

columnIndex
Type: System.Int32
The column index of the cell to update, or -1 to indicate a row header cell.
rowIndex
Type: System.Int32
The row index of the cell to update, or -1 to indicate a column header cell.

ExceptionCondition
ArgumentOutOfRangeException

columnIndex is less than -1 or greater than the number of columns in the control minus 1.

-or-

rowIndex is less than -1 or greater than the number of rows in the control minus 1.

Use this method when you maintain cell error text yourself by handling the CellErrorTextNeeded event. Call this method when you change the stored error text for the specified cell. This will invalidate the cell, forcing the DataGridView control to retrieve the updated error text through the CellErrorTextNeeded event handler.

Although you can use this method to update errors for header cells, column header cells do not display error glyphs.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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

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