How to Give Header Name in Excel Using Asp.Net C#

Question

DataTable dt = new DataTable();

dt = _dataSet.Tables[0];

//Create a dummy GridView

GridView GridView1 = new GridView();

GridView1.AllowPaging = false;

GridView1.DataSource = dt;

GridView1.DataBind();

Response.Clear();

Response.Buffer = true;

Response.AddHeader("content-disposition",

"attachment;filename=SummaryCollection.xls");

Response.Charset = "";

Response.ContentType = "application/vnd.ms-excel";

StringWriter sw = new StringWriter();

HtmlTextWriter hw = new HtmlTextWriter(sw);

for (int i = 0; i < GridView1.Rows.Count; i++)

{

GridView1.Rows[i].Attributes.Add("class", "textmode");

}

GridView1.RenderControl(hw);

//style to format numbers to string

string style = @"<style> .textmode { mso-number-format:\@; } </style>";

Response.Write(style);

Response.Output.Write(sw.ToString());

Response.Flush();

Response.End();

 

 

 

 

above i write the code which export Data from dataset in excel i want to know

how i give header name and bind shcool name in Header and Also One Column put it on Top of the sheet after School Name

Please give me Code