find gridview row on multiple events in asp.net with c#

CheckBox chk1 = (CheckBox)sender;
GridViewRow GridRow1 = (GridViewRow)chk1.NamingContainer;
Response.Write(GridRow1.RowIndex);


--------------------------------------------------------------------------

Button b = (Button)e.CommandSource;
b.CommandArgument = ((GridViewRow)sender).RowIndex.ToString();



----------------------------------------------------------------------------

GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);

We can easily find out the row Index Using this code.

string strCureentRowIndex=row.RowIndex;


---------------------------------------------------------------------------


GridViewRow row = (GridViewRow)((Control)e.CommandSource).Parent.Parent;
GridView gv = (GridView)(e.CommandSource);
string s = gv.DataKeys[row.RowIndex][0].ToString();


-------------------------------------------------------------------------------

int rowNum = -1;
GridViewRow row = ((e.CommandSource as Control).NamingContainer as GridViewRow);
if (row != null)
{
    rowNum = row.RowIndex;
}

--------------------------------------------------------------------------------