Grid view with delete row confirmation message

In ASP.Net web pages, Grid View Header Checkbox select all functionality is a very common feature of modern websites, here is the script for the check all operation without post back using “Page.ClientScript.RegisterStartupScript” feature.

• Bind grid on page load with CheckAll() function.
• Call checkAll() function whenever you binding data to grid.

<asp:GridView ID=”grdBatch“ runat=”server” AutoGenerateColumns=”False”>

<Columns>

<asp:TemplateField>

<HeaderTemplate>

<asp:CheckBox ID=”chkall” runat=”server” />

<HeaderTemplate>

<ItemTemplate>

<asp:CheckBox ID=”chkSelect” runat=”server” />

<ItemTemplate>

<asp:TemplateField>

<Columns>

<asp:GridView>

public void CheckAll()

{

CheckBox chkall;

chkall = (CheckBox)grdBatch.HeaderRow.FindControl(“chkall”);

chkall.Attributes.Add(“onclick”, “checkall()”);

string str;

str = “function checkall()”;

str = str + “{if(document.getElementById(‘” + chkall.ClientID + “‘).checked==true)”;

str = str + “{“;

foreach (GridViewRow gvr in grdBatch.Rows)

{

CheckBox checkall;

checkall = (CheckBox)gvr.FindControl(“chkSelect”);

str = str + “document.getElementById(‘” + checkall.ClientID + “‘).checked=true;”;

}

str = str + “}”;

str = str + “else”;

str = str + “{“;

foreach (GridViewRow grv in grdBatch.Rows)

{

CheckBox chk1;

chk1 = (CheckBox)grv.FindControl(“chkSelect”);

str = str + “document.getElementById(‘” + chk1.ClientID + “‘).checked=false;”;

}

str = str + “}}”;

Page.ClientScript.RegisterStartupScript(GetType(), “sss”, str, true);

}