private void btnDelete_Click(object sender, EventArgs e)
{
try
{
if (ValidateInput())
{
if (currentTrainLine == null)
{
MessageBox.Show($"First find the train line.", "Delete train line", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
string lineName = currentTrainLine.Name;
DialogResult dialogResult = MessageBox.Show($"Are you want to delete Train line \"{lineName}\" ?", "Delete train line", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
if (dialogResult == DialogResult.No)
{
return;
}
var result = manageLines.Delete(currentTrainLine);
if (result > 0)
{
MessageBox.Show($"Train line \"{lineName}\" deleted success.", "Delete train line", MessageBoxButtons.OK, MessageBoxIcon.Information);
DataGridBinding();
return;
}
MessageBox.Show($"Could not deleted train line \"{lineName}\".", "Delete train line", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
catch (ArgumentException ex)
{
MessageBox.Show(ex.Message, "Delete train line", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (InvalidOperationException ex)
{
MessageBox.Show(ex.Message, "Delete train line", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (Exception)
{
MessageBox.Show("Oops! Something went wrong.", "Delete train line error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
Clear();
}
}
