C# (CSharp) BookManager.BarCodeExistsed Examples

Example #1

File: FmAddBook.cs Project: MarkHuang1996/LibarayManagerSystem

 private void txtBarCode_Leave(object sender, EventArgs e)
 {
     if (this.txtBarCode.Text.Trim().Length > 0)
     {
         if (objBookManager.BarCodeExistsed(this.txtBarCode.Text.Trim()))
         {
             MessageBox.Show("this book exists in database");
             this.txtBarCode.SelectAll();
             this.txtBarCode.Focus();
         }
     }
 }