private void Addsuppbutton_Click(object sender, EventArgs e) { controllerObj = new Controller(); Datacontainer.DietID = Datacontainer.DietID + 1; //DataRow check = controllerObj.CheckDietID(Datacontainer.DietID).Rows[0]; //if (check == null) //{ if (diettitletextBox.Text == "" || estwtlosstextBox.Text == "" || durtextBox.Text == "" || dietpathtextBox.Text == "") { MessageBox.Show("The fields marked with * are mandatory for inserting a guide"); } else { int r = controllerObj.InsertDiet(Datacontainer.DietID, diettitletextBox.Text, estwtlosstextBox.Text, durtextBox.Text, dietpathtextBox.Text, Datacontainer.NutID); if (r > 0) { MessageBox.Show("Your Diet has been added!"); } else { MessageBox.Show("Something went wrong. Try again later.."); } Hide(); } //} }