private void btnDeleteCopy_Click(object sender, EventArgs e)
{
Copy c = new Copy();
c.CopyNumber = Convert.ToInt32(txtCopyNumber.Text);
CopyDAO.Delete(c);
dgvCopies.DataSource = CopyDAO.GetDataTable(Convert.ToInt32(txtBookNumber1.Text));
MessageBox.Show("Delete Successful");
display(5);
}
private void btnCopyDelete_Click(object sender, EventArgs e)
{
if (!isSelected())
{
return;
}
int copyNumber = (int)dataGridView2.Rows[0].Cells["copyNumber"].Value;
DialogResult dr = MessageBox.Show(String.Format("Do you want to delete this copy number {0}?", copyNumber), "Confirm deleting", MessageBoxButtons.YesNo);
if (dr == DialogResult.No)
{
return;
}
CopyDAO.Delete(copyNumber);
ViewCopies();
}
//button select or delete on grid view
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "Select")
{
//must add inside or else exception index=-1(default) occurs
int index = Int32.Parse(e.CommandArgument.ToString());
if (copyExist == false)
{
GridViewRow gvRow = GridView1.Rows[index];
txtTitle.Text = gvRow.Cells[3].Text; //title
//default blank in gridview =
txtAuthor.Text = gvRow.Cells[4].Text.Trim().Equals(" ") ? "" : gvRow.Cells[4].Text; //author
txtPublisher.Text = gvRow.Cells[5].Text.Trim().Equals(" ") ? "" : gvRow.Cells[5].Text; //publisher
bo = new Book();
bo.BookNumber = Int32.Parse(gvRow.Cells[2].Text.ToString()); //book number
}
else
{
GridViewRow gridViewRow = GridView2.Rows[index];
txtTypecopy.Text = gridViewRow.Cells[5].Text.ToString(); // type
txtPrice.Text = gridViewRow.Cells[6].Text.Equals(" ") ? "" : gridViewRow.Cells[6].Text; // price
co = new Copy();
co.CopyNumber = Int32.Parse(gridViewRow.Cells[2].Text.ToString());
}
}
//delete
if (e.CommandName == "Del")
{
int index = Int32.Parse(e.CommandArgument.ToString());
if (copyExist == false)
{
GridViewRow gvRow = GridView1.Rows[index];
int bookNum = Int32.Parse(gvRow.Cells[2].Text.ToString());
if (BookDAO.Delete(bookNum))
{
reload();
}
else
{
return;
}
}
else
{
GridViewRow gridViewRow = GridView2.Rows[index];
int copyNum = Int32.Parse(gridViewRow.Cells[2].Text.ToString());
if (CopyDAO.Delete(copyNum))
{
reload();
}
else
{
return;
}
}
}
}
