private void BtnNew_Click(object sender, EventArgs e)
{
using (var context = new LaborExchangeEntities())
{
if (nameBox.Text == "")
{
return;
}
nameBox.NewName = nameBox.Text;
if (nameBox.NewName == null)
{
errorLbl.Visible = true;
errorLbl.Text = $"Название уже имеется: {nameBox.Text}";
return;
}
CompanyType ct = new CompanyType
{
Type = nameBox.NewName
};
context.CompanyType.Add(ct);
try
{
context.SaveChanges();
}
catch (Exception exception)
{
Console.WriteLine(exception);
throw;
}
Response.Redirect("MainPage.aspx");
}
}
protected override void OnInit(EventArgs e)
{
using (var context = new LaborExchangeEntities())
{
nameBox.Names = (from type in context.CompanyType select type.Type).ToList();
}
}
private void BtnSave_Click(object sender, EventArgs e)
{
using (var context = new LaborExchangeEntities())
{
if (nameBox.Text == "")
{
return;
}
nameBox.NewName = nameBox.Text;
if (nameBox.NewName == null)
{
errorLbl.Visible = true;
errorLbl.Text = "Название либо используется, либо происходит изменение имени на такое же.";
return;
}
int id = int.Parse(Request.Params["ID"]);
var t = (from c in context.CompanyType where c.ID == id select c).FirstOrDefault();
if (t != null)
{
t.Type = nameBox.NewName;
}
context.SaveChanges();
Response.Redirect("MainPage.aspx");
}
}
private void BtnDelete_Click(object sender, EventArgs e)
{
using (var context = new LaborExchangeEntities())
{
if (nameBox.Text == "")
{
return;
}
int id = int.Parse(Request.Params["ID"]);
var t = (from c in context.CompanyType where c.ID == id select c).FirstOrDefault();
if (t != null)
{
context.CompanyType.Remove(t);
}
context.SaveChanges();
Response.Redirect("MainPage.aspx");
}
}
private void LoadData()
{
if (int.TryParse(Request.Params["ID"], out int iid))
{
using (var context = new LaborExchangeEntities())
{
var t = (from c in context.CompanyType where c.ID == iid select c).FirstOrDefault();
if (t != null)
{
lblOldName.Text = t.Type;
nameBox.NewName = t.Type;
}
else
{
Response.Redirect("MainPage.aspx");
}
}
}
else
{
Response.Redirect("MainPage.aspx");
}
}