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DataGridView.ClearSelection Method (Int32, Int32, Boolean)

Cancels the selection of all currently selected cells except the one indicated, optionally ensuring that the indicated cell is selected.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
protected void ClearSelection(
	int columnIndexException,
	int rowIndexException,
	bool selectExceptionElement
)

Parameters

columnIndexException
Type: System.Int32
The column index to exclude.
rowIndexException
Type: System.Int32
The row index to exclude.
selectExceptionElement
Type: System.Boolean
true to select the excluded cell, row, or column; false to retain its original state.
ExceptionCondition
ArgumentOutOfRangeException

columnIndexException is greater than the highest column index.

-or-

columnIndexException is less than -1 when SelectionMode is FullRowSelect; otherwise, columnIndexException is less than 0.

-or-

rowIndexException is greater than the highest row index.

-or-

rowIndexException is less than -1 when SelectionMode is FullColumnSelect; otherwise, rowIndexException is less than 0.

A rowIndexException value of -1 represents a column header, and a columnIndexException value of -1 represents a row header.

This method is useful to clear the current selection without canceling the selection of the cell, row, or column indicated by the exception indexes.

If the SelectionMode property value allows individual cell selection, this method sets the Selected property of each cell to false, excluding the cell in the row and column specified. If the SelectionMode property value allows full row or column selection, this method also sets the Selected property of each row or column to false, excluding the row or column containing the specified cell.

The excluded cell, row, or column may or may not be in the selected state when this method is called. This method selects it if the selectExceptionElement parameter value is true. Depending on the selection mode, the entire row or column may also be selected as a result.

.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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