How Do I...Hi When I Am Execute I Am Getting Keyword Not Supportd Integrity Error Systm.Argumentexception Was Came How Do I Solve This Error

using(SqlConnection con=new SqlConnection(ConfigurationManager.ConnectionStrings["DBCS"].ToString()))
            {
                SqlCommand cmd = new SqlCommand("proc_Customers", con);
                cmd.CommandType = CommandType.StoredProcedure;
                SqlParameter cname = new SqlParameter("@CustomerName", txtcname.Text);
                SqlParameter clocation = new SqlParameter("@CustomerLocation", txtclocation.Text);
                SqlParameter cgender = new SqlParameter("@Gender", ddlgender.Text);
                SqlParameter caddress = new SqlParameter("@CustomerAddress", txtcaddress.Text);
                SqlParameter cphonenumber = new SqlParameter("@PhoneNumber",txtphonenumber.Text);
                SqlParameter cemailid=new SqlParameter("@EmailId",txtemailid.Text);

                
                cmd.Parameters.Add(cname);
                cmd.Parameters.Add(clocation);
                cmd.Parameters.Add(cgender);
                cmd.Parameters.Add(caddress);
                cmd.Parameters.Add(cphonenumber);
                cmd.Parameters.Add(cemailid);
                con.Open();
                cmd.ExecuteNonQuery();