changing the current cell selection of datagridview to row select

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i have a windows form in which we have a datagridview. the property of that is cell select. and i have a contextmenustrip in which there is a menu named select all when select all is clicked it should change the property of datagridview **of the selected cell** to the full row select and the selection should be on the same row which i have clicked. the problem is when i click on a cell the default property is cell select and when i click on select all of the context menustrip the selected cell is not selected and i have to reselect that row i want that when the form opens and when i click on particular cell and when i click on select all of the contextmenustrip is clicked then the same row should be selected on which i have clicked the cell previously
this is my code

C#

private void selectAllToolStripMenuItem_Click(object sender, EventArgs e)
   {

       dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
   }

Posted 12-Jan-13 23:14pm

shaikh-adil

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OriginalGriff · Accepted Answer · 2013-01-13T01:19:00

There is no automatic way to do it - indeed there is little but the Brute Force and Ignorance approach either! :laugh:
This is a dummy which does what you want: If you click the Right button, it sets Row select, the middle button sets cell select back.

C#

private void dgvNames_MouseClick(object sender, MouseEventArgs e)
    {
    DataGridView dgv = sender as DataGridView;
    if (dgv != null)
        {

        if (e.Button == MouseButtons.Right)
            {
            DataGridViewSelectedCellCollection cells = dgv.SelectedCells;
            dgv.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
            foreach (DataGridViewCell cell in cells)
                {
                DataGridViewRow row = dgv.Rows[cell.RowIndex];
                row.Selected = true;
                }
            }
        else if (e.Button == MouseButtons.Middle)
            {
            DataGridViewSelectedRowCollection rows = dgv.SelectedRows;
            dgv.SelectionMode = DataGridViewSelectionMode.CellSelect;
            foreach (DataGridViewRow row in rows)
                {
                DataGridViewCell cell = row.Cells[0];
                cell.Selected = true;
                }
            }
        }
    }