private void button1_Click(object sender, EventArgs e)
 {
     try
     {
         if (textBox1.Text == "")
         {
             MessageBox.Show("You Must Insert A Name For Category");
             return;
         }
         App_Data.POSDataSetTableAdapters.CategoriesTableAdapter myCatAd = new App_Data.POSDataSetTableAdapters.CategoriesTableAdapter();
         myCatAd.InsertCategoryQuery(textBox1.Text.Trim());
         MessageBox.Show("Category Successfully Added!");
     }
     catch (Exception exc)
     {
         MessageBox.Show(exc.Message);
     }
 }
 private void button1_Click(object sender, EventArgs e)
 {
     try
     {
         if (textBox1.Text == "")
         {
             MessageBox.Show("You Must Insert A Name For Category");
             return;
         }
         App_Data.POSDataSetTableAdapters.CategoriesTableAdapter myCatAd = new App_Data.POSDataSetTableAdapters.CategoriesTableAdapter();
         myCatAd.InsertCategoryQuery(textBox1.Text.Trim());
         MessageBox.Show("Category Successfully Added!");
     }
     catch(Exception exc)
     {
         MessageBox.Show(exc.Message);
     }
 }