private void btnAdd_Click(object sender, EventArgs e)
{
#region Data validation
//data validation
if (this.txtBookName.Text.Trim().Length == 0)
{
MessageBox.Show("Must have the BookName");
this.txtBookName.Focus();
return;
}
if (this.cboBookCategory.SelectedIndex == -1)
{
MessageBox.Show("Select the Book Category");
return;
}
if (this.pbCurrentImage.Image == null)
{
MessageBox.Show("Select an image for book");
return;
}
if (this.cboPublisher.SelectedIndex == -1)
{
MessageBox.Show("Select the Publisher for the book");
return;
}
if (this.txtAuthor.Text.Trim().Length == 0)
{
MessageBox.Show("Please input the Author for the book");
this.txtAuthor.Focus();
return;
}
if (this.txtUnitPrice.Text.Trim().Length == 0)
{
MessageBox.Show("Please input the Book price");
this.txtUnitPrice.Focus();
return;
}
if (this.txtBarCode.Text.Trim().Length == 0)
{
MessageBox.Show("Please entry the number which is under the Barcode");
this.txtBarCode.Focus();
return;
}
#endregion
//instance of object
Books objBook = new Books()
{
BookName = this.txtBookName.Text.Trim(),
BookCategoryId = Convert.ToInt32(this.cboBookCategory.SelectedValue),
PublisherId = Convert.ToInt32(this.cboPublisher.SelectedValue),
PublisherDate = Convert.ToDateTime(this.dtpPublishDate.Text),
Author = this.txtAuthor.Text.Trim(),
UnitPrice = Convert.ToInt32(this.txtUnitPrice.Text.Trim()),
BarCode = this.txtBarCode.Text.Trim(),
BookCount = Convert.ToInt32(this.txtBookCount.Text.Trim()),
Remainder = Convert.ToInt32(this.txtBookCount.Text.Trim()),
BookPosition = this.txtBookPosition.Text.Trim(),
BookImage = new Common.SerializeObjectToString().SerializeObject(this.pbCurrentImage.Image),
PublisherName = this.cboPublisher.Text
};
//call B-E
try
{
objBookManager.AddBookk(objBook);
this.booklist.Add(objBook);
this.dgvBookList.DataSource = null;
this.dgvBookList.DataSource = this.booklist;
//clearn the book infomation
foreach (Control item in this.gbBook.Controls)
{
if (item is TextBox)
{
item.Text = "";
}
else if (item is ComboBox)
{
((ComboBox)item).SelectedIndex = -1;
}
}
this.pbCurrentImage.Image = null;
this.txtBookName.Focus();
}
catch (Exception ex)
{
throw;
}
}
