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DataGridViewRowCollection.GetRowCount Method

Returns the number of DataGridViewRow objects in the collection that meet the specified criteria.

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

public int GetRowCount(
	DataGridViewElementStates includeFilter
)

Parameters

includeFilter
Type: System.Windows.Forms.DataGridViewElementStates

A bitwise combination of DataGridViewElementStates values.

Return Value

Type: System.Int32
The number of DataGridViewRow objects in the DataGridViewRowCollection that have the attributes specified by includeFilter.

ExceptionCondition
ArgumentException

includeFilter is not a valid bitwise combination of DataGridViewElementStates values.

The following code example illustrates the use of this method to get the number of selected rows.

private void selectedRowsButton_Click(object sender, System.EventArgs e)
{
    Int32 selectedRowCount =
        dataGridView1.Rows.GetRowCount(DataGridViewElementStates.Selected);
    if (selectedRowCount > 0)
    {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        for (int i = 0; i < selectedRowCount; i++)
        {
            sb.Append("Row: ");
            sb.Append(dataGridView1.SelectedRows[i].Index.ToString());
            sb.Append(Environment.NewLine);
        }

        sb.Append("Total: " + selectedRowCount.ToString());
        MessageBox.Show(sb.ToString(), "Selected Rows");
    }
}

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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