//Add New Supplier
        private void AddSupplier()
        {
            tblSupplier supplier = repo.Get_SupplierbyCode(txtcode.Text.Trim());

            if (supplier != null)
            {
                ClientScript.RegisterStartupScript(this.GetType(), "toastr", "toastr.error('Same code already exist,please try again');", true);
            }
            else
            {
                if (db.tblSuppliers.FirstOrDefault(x => x.Name == txtName.Text.Trim() && x.IsDeleted == false) != null)
                {
                    if (Session["WarningShow"] == null)
                    {
                        Session["WarningShow"] = "1";
                        ClientScript.RegisterStartupScript(this.GetType(), "toastr", "toastr.warning('Same name already exist. Click on save again to save record.');", true);
                    }
                }
                if (Session["WarningShow"] == "1")
                {
                    Session["WarningShow"] = "2";
                }
                else
                {
                    tblSupplier tblSupplier = new tblSupplier();
                    tblSupplier.Code          = txtcode.Text.ToString();
                    tblSupplier.Name          = txtName.Text.ToString();
                    tblSupplier.Address1      = txtaddress1.Text.ToString();
                    tblSupplier.Address2      = txtaddress2.Text.ToString();
                    tblSupplier.City          = txtcity.Text.ToString();
                    tblSupplier.State         = txtstate.Text.ToString();
                    tblSupplier.Country       = txtcountry.Text.ToString();
                    tblSupplier.GSTNo         = txtgstno.Text.ToString();
                    tblSupplier.PanNo         = txtpanno.Text.ToString();
                    tblSupplier.ContactPerson = txtperson.Text.ToString();
                    tblSupplier.ContactMobile = txtmobile.Text.ToString();
                    tblSupplier.ContactEMail  = txtemail.Text.ToString();
                    tblSupplier.IsDeleted     = false;
                    if (repo.Add_Supplier(tblSupplier))
                    {
                        ScriptManager.RegisterStartupScript(this, this.GetType(), "toastr", "toastr.success('Supplier Record Saved Successfully')", true);
                        HtmlMeta meta = new HtmlMeta();
                        meta.HttpEquiv = "Refresh";
                        meta.Content   = "1;url=AddEdit.aspx";
                        this.Page.Controls.Add(meta);
                    }
                }
            }
        }