protected void chkSelectAll_CheckedChanged(object sender, EventArgs e)
{
var currentpage = int.Parse(CurrentPageIndex.ToString());
var currentpagesize = MainGridView.PageSize;
//var totalnumofrows = MainGridView.Rows.Count;
var floor = (currentpage * currentpagesize);
var ceil = ((currentpage * currentpagesize) + currentpagesize) - 1;
//var sc = new StringCollection();
//var id = string.Empty;
var dt1 = new DataTable();
var selectall = SelectAllCheckBox;
var chkchecked = selectall.Checked;
if (!string.IsNullOrEmpty(SessionVariables.SortExpression) && !string.IsNullOrEmpty(SessionVariables.SortDirection))
{
skipgridreload = true;
dt1 = SortGridView(SessionVariables.SortExpression, SessionVariables.SortDirection);
skipgridreload = false;
}
else
{
dt1 = dtGlobal;
}
MainGridView.DataSource = dt1;
MainGridView.DataBind();
oGridPagiation = new GridPagiation();
oGridPagiation.Setup(plcPaging, litPagingSummary, dt1, MainGridView, Page);
oGridPagiation.Changed += oGridPagiation_Changed;
oGridPagiation.ManagePaging(dt1);
numberedPager.Setup(dt1.Rows.Count, MainGridView);
numberedPager.Changed += oGridPagiation_Changed;
ListHelper.AddCheckBox(MainGridView);
SelectAllCheckBox.Checked = chkchecked;
//loop the GridView Rows
var j = 0;
for (var i = floor; i <= ceil; i++)
{
if (j < MainGridView.Rows.Count)
{
var cb = (CheckBox)MainGridView.Rows[j].Cells[0].FindControl("CheckBox1"); //find the CheckBox
if (cb == null)
{
for (var k = 0; k < MainGridView.Rows[j].Cells[0].Controls.Count; k++)
{
if (MainGridView.Rows[j].Cells[0].Controls[k].ID.Equals("CheckBox1"))
{
cb = (CheckBox)MainGridView.Rows[j].Cells[0].Controls[k];
}
}
}
if (cb != null && SelectAllCheckBox != null)
{
if (SelectAllCheckBox.Checked)
{
if (!cb.Checked)
{
cb.Checked = true; // add the id to be deleted in the StringCollection
}
}
else
{
if (cb.Checked)
{
cb.Checked = false;
}
}
}
j++;
}
}
if (SelectAllCheckBox.Checked)
{
ButtonDelete.Enabled = true;
ButtonUpdate.Enabled = true;
ButtonDetails.Enabled = true;
ButtonCommonUpdate.Enabled = true;
ButtonInlineUpdate.Enabled = true;
ButtonDetails.Style.Add("background-color", "#B40404");
ButtonDelete.Style.Add("background-color", "#B40404");
ButtonUpdate.Style.Add("background-color", "#B40404");
ButtonCommonUpdate.Style.Add("background-color", "#B40404");
ButtonInlineUpdate.Style.Add("background-color", "#B40404");
//ButtonDetails.Style.Add("display",""); //below 3 lines added to make the Delete, Details, Update buttons visible.
//ButtonUpdate.Style.Add("display", "");
//ButtonDelete.Style.Add("display", "");
}
else
{
ButtonDelete.Enabled = false;
ButtonUpdate.Enabled = false;
ButtonDetails.Enabled = false;
ButtonCommonUpdate.Enabled = false;
ButtonInlineUpdate.Enabled = false;
ButtonDetails.Style.Add("background-color", "#808080");
ButtonDelete.Style.Add("background-color", "#808080");
ButtonUpdate.Style.Add("background-color", "#808080");
ButtonCommonUpdate.Style.Add("background-color", "#808080");
ButtonInlineUpdate.Style.Add("background-color", "#808080");
//ButtonDetails.Style.Add("display", "none");//below 3 lines added to make the Delete, Details, Update buttons invisible.
//ButtonUpdate.Style.Add("display", "none");
//ButtonDelete.Style.Add("display", "none");
}
}