How to get Mouse Event Args in my web page

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C#

C#4.0

Hello All,

I have one page with GridView. Now I wanted to drag and drop of rows. I have searched and found some articles and in that they have given MouseEventArgs... I am not getting those Args in my web page. Do I need to add any thing to get MouseEventArgs on my web page?.

private void dataGridView1_MouseMove(object sender, MouseEventArgs e)
{
    if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
    {
        // If the mouse moves outside the rectangle, start the drag.
        if (dragBoxFromMouseDown != Rectangle.Empty &&
            !dragBoxFromMouseDown.Contains(e.X, e.Y))
        {

            // Proceed with the drag and drop, passing in the list item.
            DragDropEffects dropEffect = dataGridView1.DoDragDrop(
                     dataGridView1.Rows[rowIndexFromMouseDown],
                     DragDropEffects.Move);
        }
    }
}

Any suggestions please...

Thanks
Naveen.