Show Report in pdf format

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ASP.NET

I save a report as jpg format in SQL server 2008. I want to show the report as pdf format when click a button. Please help me. I have given my code :
code for save

if (picUpload.FileName.ToString() != "")
{
    string StrImgName = picUpload.FileName.ToString();
    string ImgFileExtension = System.IO.Path.GetExtension(StrImgName);
    string picPath = "SCDoc/" + txtSCCode.Text.Trim() + "-P" + ImgFileExtension;
    DRLocal["ContImagePath"] = picPath;
}

Code for show report

string DocUrl;
getvalue = Request.QueryString["SCCode"].ToString();

DataTable DTLocal;

DTLocal = new DataTable();

ConManager.DBConnection("TERMSCOM");
string strSQL = "SELECT ContImagePath from tblSalesContract where SCCode='" + getvalue + "'";
ConManager.OpenDataTableThroughAdapter(strSQL, out DTLocal, true);
DTLocal.TableName = "Item";
ConManager.CloseConnection();
DocUrl = DTLocal.Rows[0]["ContImagePath"].ToString();
Response.ContentType = "Application/pdf";
Response.WriteFile(Server.MapPath(DocUrl));
Response.End();