GridViewCommandColumn click event

[Raghuramji Chandrasekaran]

I have a GridViewCommandColumn in my RAD Grid View. I want to handle the Command button click event. Please provide sample to how handle it.

[Jack]

Hi Raghuramji Chandrasekaran,

You should handle the CommandCellClick event. It fires every time when a command button is clicked. The sender argument contains the clicked cell. Here is a sample:

void radGridView1_CommandCellClick(object sender, EventArgs e)
{
    GridCommandCellElement cell = (GridCommandCellElement)sender;
    //...
}

Should you have any other question, don't hesitate to contact us.

Regards,
Jack
the Telerik team

[Raghuramji Chandrasekaran]

Is it possible to disable a command button in the RADGridView at run time?

[Jack]

Hi Raghuramji Chandrasekaran,

Yes, this is possible. You should handle CellFormatting event and set the Enabled property of the button. Please consider the sample below:

void radGridView1_CellFormatting(object sender, CellFormattingEventArgs e)
{
    GridViewDataColumn column = e.CellElement.ColumnInfo as GridViewDataColumn;
    if (column != null && column.UniqueName == "C")
    {
        GridCommandCellElement cell = (GridCommandCellElement)e.CellElement;
        if (cell.RowInfo.Cells["Value"].Value == null)
        {
            cell.CommandButton.Enabled = false;
        }
        else
        {
            cell.CommandButton.Enabled =(int)cell.RowInfo.Cells["Value"].Value > 10;
        }
    }
}

I hope this helps.

Best wishes,
Jack
the Telerik team

[Arun]

Dear Folks,

I have a gridview with gridviewcommand colum and implemented CommandCellClick. But CommandCellClick event is not firing when user press enter / space on its focus.

Can anyone help me solve this issue.

Thanks
Arun

[Jack]

Hi Arun,

This is the default behavior in RadGridView, the CommandCellClick event fires only when the button is pressed using the mouse. You can change this by using a custom grid behavior:

public class CustomGridBehavior : BaseGridBehavior
{
    public override bool ProcessKey(KeyEventArgs keys)
    {
        GridCommandCellElement cell = this.GridControl.CurrentCell as GridCommandCellElement;
        if (cell != null && (keys.KeyCode == Keys.Enter || keys.KeyCode == Keys.Space))
        {
            cell.CommandButton.CallDoClick(new MouseEventArgs(MouseButtons.Left, 1, 0, 0, 0));
            return false;
        }
        return base.ProcessKey(keys);
    }
}

Use the following code to replace the behavior in RadGridView:

this.radGridView1.GridBehavior = new CustomGridBehavior();

I hope this helps.
 
Greetings,
Jack
the Telerik team