mustafaehsani
یک شنبه 25 خرداد 1393, 15:03 عصر
من از linq استفاده کردم و کد زیر دارم
protected void Button1_Click(object sender, EventArgs e)
{
DataClassesDataContext db = new DataClassesDataContext();
int cr1 = int.Parse(TextBox1.Text);
int gr1;
var sel1 = (from cr in db.Credits
join hk in db.H_Kardanis on cr.CID equals hk.CreID
where cr.CID == gr1
where hk.CreID == cr1
select gr1);
int gr2;
int cr2 = int.Parse(TextBox2.Text);
var sel2 = (from cr in db.Credits
join hk in db.H_Kardanis on cr.CID equals hk.CreID
where cr.CID == gr2
where hk.CreID == cr2
select gr2);
if (gr1+gr2 > 6)
{
DetailsView3.Visible = false;
DetailsView4.Visible = false;
}
}
اما نمیدونم چرا eror زیر میده
use of unassigned local variable 'gr1'
use of unassigned local variable 'gr2'
protected void Button1_Click(object sender, EventArgs e)
{
DataClassesDataContext db = new DataClassesDataContext();
int cr1 = int.Parse(TextBox1.Text);
int gr1;
var sel1 = (from cr in db.Credits
join hk in db.H_Kardanis on cr.CID equals hk.CreID
where cr.CID == gr1
where hk.CreID == cr1
select gr1);
int gr2;
int cr2 = int.Parse(TextBox2.Text);
var sel2 = (from cr in db.Credits
join hk in db.H_Kardanis on cr.CID equals hk.CreID
where cr.CID == gr2
where hk.CreID == cr2
select gr2);
if (gr1+gr2 > 6)
{
DetailsView3.Visible = false;
DetailsView4.Visible = false;
}
}
اما نمیدونم چرا eror زیر میده
use of unassigned local variable 'gr1'
use of unassigned local variable 'gr2'