private void Button_RefreshMagazine_Click(object sender, EventArgs e)
{
if (_dal == null)
{
return;
}
if ((sender == null && e == null) || (textBox_Name.Text.Trim() == String.Empty && textBox_Publisher.Text.Trim() == String.Empty &&
textBox_IssueNumber.Text.Trim() == String.Empty))
{
_magazines = _dal.GetAllMagazines();
if (_magazines == null || _magazines.Count == 0)
{
dataGridView_Magazines.DataSource = null;
return;
}
dataGridView_Magazines.DataSource = _magazines;
var dataGridViewColumn = dataGridView_Magazines.Columns["ItemFields"];
if (dataGridViewColumn != null)
{
dataGridViewColumn.Visible = false;
}
var gridViewColumn = dataGridView_Magazines.Columns["MagazineFields"];
if (gridViewColumn != null)
{
gridViewColumn.Visible = false;
}
return;
}
var searchedMagazine = new Magazine(textBox_Name.Text.Trim(), textBox_Publisher.Text.Trim(),
String.Empty, textBox_IssueNumber.Text.Trim());
_magazines = _dal.SearchedMagazines(searchedMagazine);
if (_magazines == null)
{
dataGridView_Magazines.DataSource = null;
}
else
{
dataGridView_Magazines.DataSource = _magazines;
var dataGridViewColumn = dataGridView_Magazines.Columns["ItemFields"];
if (dataGridViewColumn != null)
{
dataGridViewColumn.Visible = false;
}
var gridViewColumn = dataGridView_Magazines.Columns["MagazineFields"];
if (gridViewColumn != null)
{
gridViewColumn.Visible = false;
}
}
}
