private void btnAddMethod_Click(object sender, EventArgs e)
 {
     if (schemaObject.SchemaProperties.Count <= 0)
     {
         MessageBox.Show("Add properties before trying to add a method");
     }
     else
     {
         AddMethodForm frmAddMethod = new AddMethodForm(schemaObject);
         if (frmAddMethod.ShowDialog() == DialogResult.OK)
         {
             schemaObject.SchemaMethods.Add(schemaObject.UpdateMethod(frmAddMethod.schemaMethod, (List <SchemaMethodProperty>)frmAddMethod.gridProperties.DataSource));
             updateGrids();
         }
     }
 }