} //End Search
private void grdBookList_CellClick(object sender, DataGridViewCellEventArgs e)
{
//Extract BookID from column 0 of selected row
Books aBook = new Books();
//Retrieve details from this member item from DB
aBook.getBook(Convert.ToInt32(grdBookList.Rows[grdBookList.CurrentCell.RowIndex].Cells[0].Value));
//Load instance variable values onto form
txtBookID.Text = aBook.getBookID().ToString("0000");
txtISBN.Text = aBook.getISBN();
txtClassNo.Text = aBook.getClassNo();
//Subject
//Declare Variable to hold Subject Name
strSubjectName = Books.getSubjectName(aBook.getSubjectCode());
cmbSubject.SelectedItem = strSubjectName;
txtTitle.Text = aBook.getTitle();
txtAuthor.Text = aBook.getAuthor();
nudEdition.Value = aBook.getEdition();
txtPrice.Text = aBook.getPrice().ToString();
txtPages.Text = aBook.getPage().ToString();
txtPName.Text = aBook.getPubName();
//Country
//Declare Variable to hold Country Name
strCountryName = Books.getCountryName(aBook.getCountry());
cmbCountry.SelectedItem = strCountryName;
txtYearPub.Text = aBook.getYearPub();
//Display Member details
grpBookInfo.Visible = true;
} //End Cell Click Event
} //End Search Method
private void grdBookList_CellClick(object sender, DataGridViewCellEventArgs e)
{
//Extract BookID from column 0 of selected row
aBook = new Books();
//Retrieve details from this member item from DB
aBook.getBook(Convert.ToInt32(grdBookList.Rows[grdBookList.CurrentCell.RowIndex].Cells[0].Value));
//Variables to Store Book ID, ISBN, and Book Title
int intBookID = aBook.getBookID();
String strISBN = aBook.getISBN();
String strTitle = aBook.getTitle();
//Join All Variables
String strValue = intBookID.ToString("0000") + " " + strISBN + " " + strTitle;
//Add Details to List
//Prevent Duplicates entries into ListBox
if (lstCart.Items.Contains(strValue))
{
//Display error message to indicates that no duplicates allow
String strErrorMessage = "'" + strTitle + "' has been added, no duplicates";
MessageBox.Show(strErrorMessage, "Error Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
else
{
lstCart.Items.Add(strValue);
}
} //End Book List