protected void CreateCategoriesButton_Click(object sender, EventArgs e) { string stringOfCategories = CategoriesInput.Text; ProjectModule projectModule = new ProjectModule(); try { IList<Category> results = projectModule.createCategories(stringOfCategories); Session["categories"] = results; AddedCategoriesTable.DataSource = Session["categories"]; AddedCategoriesTable.DataBind(); Messenger.setMessage(AddCategoriesMessageBox, "Categories created successfully!", LEVEL.SUCCESS); } catch (CategoryException catex) { Messenger.setMessage(AddCategoriesMessageBox, catex.Message, LEVEL.DANGER); } }