Not able to insert. Doesn't show any errors but doesn't insert as well

protected void btn_Add_Click(object sender, EventArgs e)
    {
      

        if (btn_Add.Text == "Submit")
        {

            string Height = txtHeight.Text;
            string TopDia = Convert.ToString(txtTopDiaMeter.Text);
            string BottomDia = Convert.ToString(txtBottomDiaMeter.Text);
            string ShaftThick = Convert.ToString(txtShaftThick.Text);
            string BlackWt = Convert.ToString(txtBlackWeight.Text);
            string TotManHrPerPole = Convert.ToString(txtTotManHrPoleData.Text);
            string Plate_Length = Convert.ToString(txtPlateLength.Text);
            string PLATE_DIA = Convert.ToString(txtPlateDia.Text);
            string PLATE_THICKNESS = Convert.ToString(txtPlateThick.Text);
            System.Collections.Hashtable ht = (System.Collections.Hashtable)Session["UserDetails"];
            Int64 UsrId = (Int64)ht["UserID"];
            string CreatedBy = Convert.ToString(UsrId);
            string FoundBoltId = Convert.ToString(ddlFoundationBolt.SelectedValue);
            string PoleTypeId = Convert.ToString(ddlPoltype.SelectedValue);
            string ProductTypeID = Convert.ToString(ddlPdtType.SelectedValue);

            string Status = chkActive.Checked ? "True" : "False";
            string filename = Path.GetFileName(fileuploadimages.PostedFile.FileName);
            fileuploadimages.SaveAs(Server.MapPath("~/Images/Pole Data/" + filename));

            try
            {
                SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["valmont"].ToString());
                con.Open();
                SqlCommand cmd = new SqlCommand("Insert into DEF_POLE_DATA_MST(Height,TopDia,BottomDia,ShaftThick,BlackWt,TotManHrPerPole,Plate_Length,PLATE_DIA,PLATE_THICKNESS,CreatedBy,FoundBoltId,PoleTypeID,ProductTypeID,Status,ImagePath) values(@Height,@TopDia,@BottomDia,@ShaftThick,@BlackWt,@TotManHrPerPole,@Plate_Length,@PLATE_DIA,@PLATE_THICKNESS,@CreatedBy,@FoundBoltId,@PoleTypeId,@ProductTypeID,@Status,@ImagePath)", con);

                cmd.Parameters.AddWithValue("@Height", Height);
                cmd.Parameters.AddWithValue("@TopDia", TopDia);
                cmd.Parameters.AddWithValue("@BottomDia", BottomDia);
                cmd.Parameters.AddWithValue("@ShaftThick", ShaftThick);
                cmd.Parameters.AddWithValue("@BlackWt", BlackWt);
                cmd.Parameters.AddWithValue("@TotManHrPerPole", TotManHrPerPole);
                cmd.Parameters.AddWithValue("@Plate_Length", Plate_Length);
                cmd.Parameters.AddWithValue("@PLATE_DIA", PLATE_DIA);
                cmd.Parameters.AddWithValue("@PLATE_THICKNESS", PLATE_THICKNESS);
                cmd.Parameters.AddWithValue("@CreatedBy", CreatedBy);
                cmd.Parameters.AddWithValue("@FoundBoltId", FoundBoltId);
                cmd.Parameters.AddWithValue("@PoleTypeId", PoleTypeId);
                cmd.Parameters.AddWithValue("@ProductTypeID", ProductTypeID);
                cmd.Parameters.AddWithValue("@Status", Status);
                cmd.Parameters.AddWithValue("@ImagePath", "~/Images/Pole Data/" + filename);
                cmd.ExecuteNonQuery();
                con.Close();

                BindGrid();
                Accordian.SelectedIndex = 1;
                JQUERYDisplay.ShowAlertMessage("Record Inserted Successfully");

                CleraFields();

            }
            catch (Exception ex)
            {
                JQUERYDisplay.ShowAlertMessage(ex.Message);
            }
            finally
            {
                
            }
        }