ASP.NET

<asp:GridView ID="GridView1" runat="server" OnRowDataBound="GridView1_RowDataBound" ShowFooter="true" ..... >

public void GridView1_RowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e)
{
    if (e.Row.RowType == DataControlRowType.Footer)
    {
        e.Row.Cells.RemoveAt(2); //remove cell 3
        e.Row.Cells.RemoveAt(1); //remove cell 2
        e.Row.Cells[0].ColumnSpan = 3; //cell nr 1 spans 3 columns
        e.Row.Cells[0].Text = "Total creditcard is 5 dollar";
    }
}

if (!Page.IsPostBack) 
{
put page load code here
}

While reader.Read()
berichtid = reader.GetValue(0)
txtTitel.Text = reader.GetValue(1)
txtBericht.Text = reader.GetValue(2)
DropDownList1.SelectedValue = reader.GetValue(3)
txtdatum.Text = reader.GetValue(4)
End While

<CR:CrystalReportViewer ID="rptViewer"  runat="server" AutoDataBind="true" DisplayGroupTree="False" EnableDrillDown="False" EnableToolTips="False" HasCrystalLogo="False" HasSearchButton="False" HasToggleGroupTreeButton="False" PrintMode="pdf" ReuseParameterValuesOnRefresh="True" />

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="reports.aspx.cs" EnableEventValidation="false"  EnableViewState="true" Inherits="reports" %>

<asp:CheckBox ID="checkall" runat="server" AutoPostBack="true" Text="(un)check all"
    OnCheckedChanged="checkall_CheckedChanged" />
<asp:CheckBoxList ID="listCheck" runat="server" AutoPostBack="true" OnSelectedIndexChanged="listCheck_SelectedIndexChanged">
    <asp:ListItem Text="Main1"></asp:ListItem>
    <asp:ListItem Text="Main2"></asp:ListItem>
    <asp:ListItem Text="Main3"></asp:ListItem>
    <asp:ListItem Text="Main4"></asp:ListItem>
    <asp:ListItem Text="Main5"></asp:ListItem>
</asp:CheckBoxList>

private bool overrideEvent;
protected void listCheck_SelectedIndexChanged(object sender, EventArgs e)
{
    //we changed something in the list, so if checkall was checked, uncheck it.
    overrideEvent= true;
    checkall.Checked =  false;
}


protected void checkall_CheckedChanged(object sender, EventArgs e)
{
    if (overrideEvent)
        return;

    for (int items = 0; items < listCheck.Items.Count; items++)
        listCheck.Items[items].Selected = checkall.Checked;
}