Tuesday, 10 May 2016

Export data from sqlserver database to excel in asp.net c#

In this article we will learn how to export data directly from sql server database table to excel,
below is the database table which contain some data
I will export this data into excel file to excel by using C#.net coding as below:
1.Add a new file TabletoExcel.aspx in the solution explorer
Copy and paste below code in TabletoExcel.aspx page
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<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="btnGenaerateToExcel" runat="server" onclick="btnGenerateToExcel_Click" Text="Button" />
</div>
</form>
</body>
Copy and paste below code in TabletoExcel.cs  page:
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration;
using System.Data.SqlClient;
using System.Data;
public partial class TableToExcel : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnGenerateToExcel_Click(object sender, EventArgs e)
{
PopulatExcelEntry();
}
protected void PopulatExcelEntry()
{
SqlConnection Connection = new SqlConnection("Server=Munesh-PC;Database=Griddata;Uid=sa;Pwd=123");
DataSet ds = new DataSet();
SqlDataAdapter adapter = new SqlDataAdapter("select * from Tbl_Mst_Employee", Connection);
try
{
adapter.Fill(ds);
ExportToExcel(ds);
}
catch (Exception ex)
{
Connection.Close();
}
}
public static void ExportToExcel(System.ComponentModel.MarshalByValueComponent DataSource)
{
try
{
System.IO.StringWriter objStringWriter = new System.IO.StringWriter();
System.Web.UI.WebControls.DataGrid tempDataGrid = new System.Web.UI.WebControls.DataGrid();
System.Web.UI.HtmlTextWriter objHtmlTextWriter = new System.Web.UI.HtmlTextWriter(objStringWriter);
HttpContext.Current.Response.ClearContent();
HttpContext.Current.Response.ClearHeaders();
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
HttpContext.Current.Response.Charset = "";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=TableToExcel.xls");
tempDataGrid.DataSource = DataSource;
tempDataGrid.DataBind();
tempDataGrid.HeaderStyle.Font.Bold = true;
tempDataGrid.RenderControl(objHtmlTextWriter);
DataSource.Dispose();
HttpContext.Current.Response.Write(objStringWriter.ToString());
HttpContext.Current.Response.End();
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
catch (Exception ex)
{
throw ex;
}
}
}
Run you application and click on button
Click on Ok and you will get your required output as:

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