Hi all,
i have generated one application using asp.net with c#.
the concept is,
when i click button , the data has been display excell sheet. but in my application its gettting few errors like "incorrect syntax near datadownload" . using stored procedure am retreiveing the data from database, please give me a solution for this app..
my code is:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.IO;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
string s = ConfigurationManager.AppSettings["const"].ToString();
protected void Page_Load(object sender, EventArgs e)
{
}
private DataTable Getdata(SqlCommand cmd)
{
DataTable dt = new DataTable();
SqlConnection con = new SqlConnection(s);
SqlDataAdapter da = new SqlDataAdapter();
cmd.CommandType = CommandType.Text;
cmd.Connection = con;
try
{
con.Open();
da.SelectCommand = cmd;
da.Fill(dt);
return dt;
}
catch (Exception ex)
{
throw ex;
}
finally
{
con.Close();
da.Dispose();
con.Dispose();
}
}
protected void download_Click(object sender, EventArgs e)
{
SqlConnection con = new SqlConnection(s);
SqlCommand cmd = new SqlCommand("datadownload", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Destinations", SqlDbType.VarChar);
if (con.State == ConnectionState.Closed)
{
con.Open();
cmd.ExecuteNonQuery();
}
con.Close();
DataTable dt = Getdata(cmd);
GridView gv1 = new GridView();
gv1.AllowPaging = false;
gv1.DataSource = dt;
gv1.DataBind();
Response.Clear();
Response.Buffer = true;
Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.xls");
Response.Charset = "";
Response.ContentType = "application/vnd.ms-excel";
StringWriter sw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(sw);
for (int i = 0; i < gv1.Rows.Count; i++)
{
gv1.Rows[i].Attributes.Add("class", "textmode");
}
gv1.RenderControl(hw);
string style = @"<style> .textmode { mso-number-format:\@; } </style>";
Response.Write(style);
Response.Output.Write(sw.ToString());
Response.Flush();
Response.End();
}
}
thanks to all...
