protected void btnCheckCondition_Click(object sender, EventArgs e)
{
int copyNumber = 0;
try
{
copyNumber = int.Parse(txtCopyNumber.Text);
}
catch
{
lblError.Text = "Copy number must be a integer!";
lblError.Visible = true;
txtCopyNumber.Focus();
return;
}
errorBorrow error = checkCondition(int.Parse(txtBorrowerNumber.Text), int.Parse(txtCopyNumber.Text), out c, out r);
string str = "";
switch (error)
{
case errorBorrow.CopyNotExist:
str = "No this copy number, so you can't borrow!";
break;
case errorBorrow.CopyReferenced:
str = "It is referenced, so you can't borrow!";
break;
case errorBorrow.CopyBorrowed:
str = "It is borrwed, so you can't borrow!";
break;
case errorBorrow.CopyReserved:
str = "It is reserved by other, so you can't borrow!";
break;
case errorBorrow.Connect:
str = "Can't connect to Database, so you can't borrow!";
break;
}
if (str != "")
{
lblError.Visible = true;
lblError.Text = str;
txtCopyNumber.Focus();
return;
}
lblError.Visible = false;
displayButtons(3);
}
private void btnCondition_Click(object sender, EventArgs e)
{
int copyNumber;
try
{
copyNumber = int.Parse(txtCopyNumber.Text);
}
catch
{
MessageBox.Show("Copy number must be a integer!");
txtCopyNumber.Focus();
return;
}
errorBorrow error = checkCondition(int.Parse(txtBorrowerNumber.Text), int.Parse(txtCopyNumber.Text), out c, out r);
string str = "";
switch (error)
{
case errorBorrow.CopyNotExist:
str = "No this copy number, so you can't borrow!";
txtCopyNumber.Focus();
break;
case errorBorrow.CopyReferenced:
str = "It is referenced, so you can't borrow!";
txtCopyNumber.Focus();
break;
case errorBorrow.CopyBorrowed:
str = "It is borrwed, so you can't borrow!";
txtCopyNumber.Focus();
break;
case errorBorrow.CopyReserved:
str = "It is reserved by other, so you can't borrow!";
txtCopyNumber.Focus();
break;
case errorBorrow.Connect:
str = "Can't connect to Database, so you can't borrow!";
break;
}
if (str != "")
{
MessageBox.Show(str);
return;
}
displayButtons(3);
}
