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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");
    }
}

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, 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.

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