I am exporting grid view to excel but not working. see in details...

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hello all
Actually i am exporting data from gridview to microsoft excell sheet
when i doing export data from grid view without keeping my page in

<asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">

Course Name	<asp:DropDownList ID="ddlCourseName" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlCourseName_SelectedIndexChanged"> <asp:ListItem Value="0" >- - Select - - <asp:ListItem Value="1st-Year" >1st-Year <asp:ListItem Value="2nd-Year" >2nd-Year <asp:ListItem Value="3rd-Year" >3rd-Year <asp:ListItem Value="4th-Year" >4th-Year	Course Year	<asp:DropDownList ID="ddlCYear" runat="server" AutoPostBack="True"> <asp:ListItem Value="0" >- - Select - - <asp:ListItem Value="1st-Year" >1st-Year <asp:ListItem Value="2nd-Year" >2nd-Year <asp:ListItem Value="3rd-Year" >3rd-Year <asp:ListItem Value="4th-Year" >4th-Year
Session	<asp:DropDownList ID="ddlSession" runat="server"> <asp:ListItem Value="--Select--">--Select-- <asp:ListItem Value="2013-2014">2013-2014 <asp:ListItem Value="2014-2015">2014-2015 <asp:ListItem Value="2015-2016">2015-2016 <asp:ListItem Value="2016-2017">2016-2017 <asp:ListItem Value="2017-2018">2017-2018 <asp:ListItem Value="2018-2019">2018-2019 <asp:ListItem Value="2019-2020">2019-2020	<asp:Label ID="lblsem" runat="server" Text="Semester">	<asp:DropDownList ID="ddlSemester" runat="server"> <asp:ListItem Value="Select">- - Select - - <asp:ListItem Value="1st-Sem">1st-Sem <asp:ListItem Value="2nd-Sem">2nd-Sem <asp:ListItem Value="3rd-Sem">3rd-Sem <asp:ListItem Value="4th-Sem">4th-Sem <asp:ListItem Value="5th-Sem">5th-Sem <asp:ListItem Value="6th-Sem">6th-Sem <asp:ListItem Value="7th-Sem">7th-Sem <asp:ListItem Value="8th-Sem">8th-Sem
		<asp:Label ID="lblMarkType" runat="server">	<asp:Label ID="lblType" runat="server" Text="Label" Visible="False">
<asp:Button ID="btnSearch" runat="server" Text="Search" OnClick="btnSearch_Click" />

<asp:GridView runat="server" ID="Gview" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None"
RowStyle-CssClass="GVRow" BorderWidth="1px" CellPadding="3" AutoGenerateColumns="False"
Width="100%" EmptyDataText="No Record Found" HorizontalAlign="Left"
CssClass="tablesorter" HeaderStyle-VerticalAlign="Middle" GridLines="Horizontal" OnRowDataBound="Gview_RowDataBound">
<rowstyle forecolor="#4A3C8C" backcolor="#E7E7FF">
<emptydatarowstyle bordercolor="#CCCCCC" borderstyle="Solid" borderwidth="1px" forecolor="Red">
Height="20px" HorizontalAlign="Center" VerticalAlign="Middle" Width="100%" />
<alternatingrowstyle backcolor="#F7F7F7">
<columns> <asp:TemplateField Visible="false">
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" Width="2%" />
<itemstyle horizontalalign="Center" verticalalign="Top" width="2%">

<asp:TemplateField HeaderText="#No">
<itemtemplate>

<asp:Label ID="Label1" runat="server" Text='<%# Container.DisplayIndex+1 %>'>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" Width="3%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="3%" cssclass="GridData">

<asp:TemplateField HeaderText="Enrollment">
<itemtemplate>
<%#Eval("Enrollment")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="15%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="15%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Roll No">
<itemtemplate>
<asp:Label ID="lblRollNo" runat="server" Text='<%#Eval("RollNo")%>' CommandArgument='<%# Eval("RollNo") %>' >

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Course Year">
<itemtemplate>
<%#Eval("CourseYear")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Session">
<itemtemplate>
<%#Eval("Session")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Semester">
<itemtemplate>
<asp:Label ID="lblsemester" runat="server" Text='<%#Eval("Semester")%>'>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<%-- sub gridview--%>
<asp:TemplateField HeaderText="Marks Details">
<itemtemplate>
<asp:GridView ID="Gviewmarks" runat="server" ShowHeader="true" AutoGenerateColumns="false">
<columns>
<asp:TemplateField HeaderText="Subject Code">
<itemtemplate>
<%# Eval("SubjectCode") %>

<asp:TemplateField HeaderText="Subject Name">
<itemtemplate>
<%# Eval("SubjectName") %>

<asp:TemplateField HeaderText="Int. Obt Marks">
<itemtemplate>
<asp:Label ID="lbliobtainmark" runat="server" Text='<%# Eval("InternalObtainMarks") %>'>

<asp:TemplateField HeaderText="Int. Pass Marks">
<itemtemplate>
<asp:Label ID="lblipassmark" runat="server" Text='<%# Eval("InternalPassingMarks") %>'>

<asp:TemplateField HeaderText="Int. Total Marks">
<itemtemplate>
<asp:Label ID="lblitotmarks" runat="server" Text='<%# Eval("InternalTotalMarks") %>'>

<asp:TemplateField HeaderText="Obtain Marks">
<itemtemplate>
<%# Eval("ObtainedMarks") %>

<asp:TemplateField HeaderText="Passing Marks">
<itemtemplate>
<%# Eval("PassingMarks") %>

<asp:TemplateField HeaderText="Total Marks">
<itemtemplate>
<%# Eval("TotalMarks") %>

<%-- end--%>

<pagersettings nextpagetext="Next" previouspagetext="Previous">
<pagerstyle cssclass="GridData" height="30px" horizontalalign="Right" backcolor="#E7E7FF" forecolor="#4A3C8C">
<footerstyle backcolor="#B5C7DE" forecolor="#4A3C8C">
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" Height="40px" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" Height="40px" />
<sortedascendingcellstyle backcolor="#F4F4FD">
<sortedascendingheaderstyle backcolor="#5A4C9D">
<sorteddescendingcellstyle backcolor="#D8D8F0">
<sorteddescendingheaderstyle backcolor="#3E3277">

<asp:Button ID="btnExport" runat="server" Text="Export" OnClick="btnExport_Click" />

Then I can export data from grid view.

But ( Care Here) when i keep my page in update panel control ,I can not export data from grid view

<asp:UpdatePanel ID="updcontrol" runat="server">
<contenttemplate>

<asp:ToolkitScriptManager ID="ToolkitScriptManager1" runat="server">

Course Name	<asp:DropDownList ID="ddlCourseName" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlCourseName_SelectedIndexChanged"> <asp:ListItem Value="0" >- - Select - - <asp:ListItem Value="1st-Year" >1st-Year <asp:ListItem Value="2nd-Year" >2nd-Year <asp:ListItem Value="3rd-Year" >3rd-Year <asp:ListItem Value="4th-Year" >4th-Year	Course Year	<asp:DropDownList ID="ddlCYear" runat="server" AutoPostBack="True"> <asp:ListItem Value="0" >- - Select - - <asp:ListItem Value="1st-Year" >1st-Year <asp:ListItem Value="2nd-Year" >2nd-Year <asp:ListItem Value="3rd-Year" >3rd-Year <asp:ListItem Value="4th-Year" >4th-Year
Session	<asp:DropDownList ID="ddlSession" runat="server"> <asp:ListItem Value="--Select--">--Select-- <asp:ListItem Value="2013-2014">2013-2014 <asp:ListItem Value="2014-2015">2014-2015 <asp:ListItem Value="2015-2016">2015-2016 <asp:ListItem Value="2016-2017">2016-2017 <asp:ListItem Value="2017-2018">2017-2018 <asp:ListItem Value="2018-2019">2018-2019 <asp:ListItem Value="2019-2020">2019-2020	<asp:Label ID="lblsem" runat="server" Text="Semester">	<asp:DropDownList ID="ddlSemester" runat="server"> <asp:ListItem Value="Select">- - Select - - <asp:ListItem Value="1st-Sem">1st-Sem <asp:ListItem Value="2nd-Sem">2nd-Sem <asp:ListItem Value="3rd-Sem">3rd-Sem <asp:ListItem Value="4th-Sem">4th-Sem <asp:ListItem Value="5th-Sem">5th-Sem <asp:ListItem Value="6th-Sem">6th-Sem <asp:ListItem Value="7th-Sem">7th-Sem <asp:ListItem Value="8th-Sem">8th-Sem
		<asp:Label ID="lblMarkType" runat="server">	<asp:Label ID="lblType" runat="server" Text="Label" Visible="False">
<asp:Button ID="btnSearch" runat="server" Text="Search" OnClick="btnSearch_Click" />

<asp:GridView runat="server" ID="Gview" BackColor="White" BorderColor="#E7E7FF" BorderStyle="None"
RowStyle-CssClass="GVRow" BorderWidth="1px" CellPadding="3" AutoGenerateColumns="False"
Width="100%" EmptyDataText="No Record Found" HorizontalAlign="Left"
CssClass="tablesorter" HeaderStyle-VerticalAlign="Middle" GridLines="Horizontal" OnRowDataBound="Gview_RowDataBound">
<rowstyle forecolor="#4A3C8C" backcolor="#E7E7FF">
<emptydatarowstyle bordercolor="#CCCCCC" borderstyle="Solid" borderwidth="1px" forecolor="Red">
Height="20px" HorizontalAlign="Center" VerticalAlign="Middle" Width="100%" />
<alternatingrowstyle backcolor="#F7F7F7">
<columns> <asp:TemplateField Visible="false">
<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" Width="2%" />
<itemstyle horizontalalign="Center" verticalalign="Top" width="2%">

<asp:TemplateField HeaderText="#No">
<itemtemplate>

<asp:Label ID="Label1" runat="server" Text='<%# Container.DisplayIndex+1 %>'>

<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" Width="3%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="3%" cssclass="GridData">

<asp:TemplateField HeaderText="Enrollment">
<itemtemplate>
<%#Eval("Enrollment")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="15%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="15%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Roll No">
<itemtemplate>
<asp:Label ID="lblRollNo" runat="server" Text='<%#Eval("RollNo")%>' CommandArgument='<%# Eval("RollNo") %>' >

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Course Year">
<itemtemplate>
<%#Eval("CourseYear")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Session">
<itemtemplate>
<%#Eval("Session")%>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<asp:TemplateField HeaderText="Semester">
<itemtemplate>
<asp:Label ID="lblsemester" runat="server" Text='<%#Eval("Semester")%>'>

<HeaderStyle HorizontalAlign="Left" VerticalAlign="Middle" CssClass="GridDataheader"
Width="10%" />
<itemstyle horizontalalign="Left" verticalalign="Top" width="10%" cssclass="GridData">
ForeColor="ActiveCaptionText" />

<%-- sub gridview--%>
<asp:TemplateField HeaderText="Marks Details">
<itemtemplate>
<asp:GridView ID="Gviewmarks" runat="server" ShowHeader="true" AutoGenerateColumns="false">
<columns>
<asp:TemplateField HeaderText="Subject Code">
<itemtemplate>
<%# Eval("SubjectCode") %>

<asp:TemplateField HeaderText="Subject Name">
<itemtemplate>
<%# Eval("SubjectName") %>

<asp:TemplateField HeaderText="Int. Obt Marks">
<itemtemplate>
<asp:Label ID="lbliobtainmark" runat="server" Text='<%# Eval("InternalObtainMarks") %>'>

<asp:TemplateField HeaderText="Int. Pass Marks">
<itemtemplate>
<asp:Label ID="lblipassmark" runat="server" Text='<%# Eval("InternalPassingMarks") %>'>

<asp:TemplateField HeaderText="Int. Total Marks">
<itemtemplate>
<asp:Label ID="lblitotmarks" runat="server" Text='<%# Eval("InternalTotalMarks") %>'>

<asp:TemplateField HeaderText="Obtain Marks">
<itemtemplate>
<%# Eval("ObtainedMarks") %>

<asp:TemplateField HeaderText="Passing Marks">
<itemtemplate>
<%# Eval("PassingMarks") %>

<asp:TemplateField HeaderText="Total Marks">
<itemtemplate>
<%# Eval("TotalMarks") %>

<%-- end--%>

<pagersettings nextpagetext="Next" previouspagetext="Previous">
<pagerstyle cssclass="GridData" height="30px" horizontalalign="Right" backcolor="#E7E7FF" forecolor="#4A3C8C">
<footerstyle backcolor="#B5C7DE" forecolor="#4A3C8C">
<SelectedRowStyle BackColor="#738A9C" Font-Bold="True" ForeColor="#F7F7F7" Height="40px" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" Height="40px" />
<sortedascendingcellstyle backcolor="#F4F4FD">
<sortedascendingheaderstyle backcolor="#5A4C9D">
<sorteddescendingcellstyle backcolor="#D8D8F0">
<sorteddescendingheaderstyle backcolor="#3E3277">

<asp:Button ID="btnExport" runat="server" Text="Export" OnClick="btnExport_Click" />

Posted 1-Jun-15 20:02pm

Member 10038070

Updated 1-Jun-15 21:02pm

v2

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Comments

Sergey Alexandrovich Kryukov 2-Jun-15 2:04am

Sorry, no relevant information, no advice.
If you want help, please explain it all in comprehensive detail.
—SA

KaushalJB 2-Jun-15 2:38am

Can you update your question with what have you applied ?

2 solutions

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Satya Prakash Verma · Answer 1 · 2015-06-01T21:02:00

using Excel = Microsoft.Office.Interop.Excel;

public void ExportExcel()
{
if (dataGridView1.DataSource == null)
{
MessageBox.Show("Sorry nothing to export into excel sheet..", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
int rowsTotal = 0;
int colsTotal = 0;
int I = 0;
int j = 0;
int iC = 0;
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor;
Excel.Application xlApp = new Excel.Application();

try
{
Excel.Workbook excelBook = xlApp.Workbooks.Add();
Excel.Worksheet excelWorksheet = (Excel.Worksheet)excelBook.Worksheets[1];
xlApp.Visible = true;

rowsTotal = dataGridView1.RowCount - 1;
colsTotal = dataGridView1.Columns.Count - 1;
var _with1 = excelWorksheet;
_with1.Cells.Select();
_with1.Cells.Delete();
for (iC = 0; iC <= colsTotal; iC++)
{
_with1.Cells[1, iC + 1].Value = dataGridView1.Columns[iC].HeaderText;
}
for (I = 0; I <= rowsTotal - 1; I++)
{
for (j = 0; j <= colsTotal; j++)
{
_with1.Cells[I + 2, j + 1].value = dataGridView1.Rows[I].Cells[j].Value;
}
}
_with1.Rows["1:1"].Font.FontStyle = "Bold";
_with1.Rows["1:1"].Font.Size = 12;

_with1.Cells.Columns.AutoFit();
_with1.Cells.Select();
_with1.Cells.EntireColumn.AutoFit();
_with1.Cells[1, 1].Select();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
//RELEASE ALLOACTED RESOURCES
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default;
xlApp = null;
}
}

Satya Prakash Verma · Answer 2 · 2015-08-03T19:44:00

<div id="divTableContainer" runat="server">
<asp:GridView ID="GridView1" runat="server">

<asp:Button ID="btnExportExcel" runat="server" Text="Export Excel" OnClick="btnExportExcel_Click" />

C# Code----

C#

protected void btnExportExcel_Click(object sender, EventArgs e)
    {
        ExportToExcel();
    }
    protected void ExportToExcel()
    {
        Response.AppendHeader("content-disposition", "attachment;filename=DeathCertificate.xls");
        Response.Charset = "";
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        Response.ContentType = "application/vnd.ms-excel";
        this.EnableViewState = false;
        Response.Write(divTableContainer.InnerHtml);
        Response.End();
    }

I am exporting grid view to excel but not working. see in details...

2 solutions

Solution 1

Solution 2

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