Post date: Feb 14, 2010 11:53:09 AM
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e) { String DownloadFileName; int length; String type; byte[] data; System.Web.UI.WebControls.DataKey datak; datak = GridView1.DataKeys[Convert.ToInt32(e.CommandArgument)]; using (SqlConnection con = new System.Data.SqlClient.SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["homeConnectionString"].ToString())) { using (SqlDataAdapter adapter = new System.Data.SqlClient.SqlDataAdapter("select * from projektfil where filId = @filid", con)) { System.Data.DataSet ds = new System.Data.DataSet(); con.Open(); adapter.SelectCommand.Parameters.AddWithValue("@filId", System.Convert.ToInt32(datak.Values["filId"])); adapter.Fill(ds); DownloadFileName = ds.Tables[0].Rows[0]["name"].ToString(); length = Convert.ToInt32(ds.Tables[0].Rows[0]["length"]); data = (byte[])ds.Tables[0].Rows[0]["data"]; type = ds.Tables[0].Rows[0]["type"].ToString(); } } Response.Clear(); Response.ContentType = type; if (DownloadFileName != "") { Page.Response.AddHeader("content-disposition", "attachment; filename=" + DownloadFileName); } Response.OutputStream.Write(data, 0, length); Response.End(); }