protected void btnAdd_Click(object sender, EventArgs e) { using (var db = new bigshopeEntities()) { if (Request.QueryString["brnd_id"] != null) { int brnd_id = Convert.ToInt32(Request.QueryString["brnd_id"]); tblBrand b = db.tblBrands.FirstOrDefault(v => v.brnd_id == brnd_id); b.brnd_name = tbName.Text; b.brnd_desc = tbDesc.Text; db.SaveChanges(); lblStatus.Text = "Brands updated successfully!"; Response.Redirect("catagoriesrecord.aspx"); } else { db.addBrands(tbName.Text, tbDesc.Text); db.SaveChanges(); tbName.Text = ""; tbDesc.Text = ""; lblStatus.Text = "Brand added successfully!"; } } }