استفاده از thread برای نمایش درصد پیشرفت بک اپ
سلام من از روش زیر برای بک اپ استفاده کردم
public void percent()
{
Dal n = new Dal();
int s = n.percent();
progressBackup.Value = s;
}
public void backupstar()
{
try
{
if (txtBackup.Text != "")
{
progressBackup.Visible = true;
Control.CheckForIllegalCrossThreadCalls = false;
Dal Dal = new Dal();
string sql = @"BACKUP DATABASE[test] TO DISK = '" + txtBackup.Text + "'";
Dal.connect();
Dal.backup(sql);
Dal.disconnect();
}
}
catch (Exception)
{
}
private void btnBackup_Click(object sender, EventArgs e)
{
backup = new Thread(new ThreadStart(backupstar));
backup.Start();
threadProgress = new Thread(new ThreadStart(percent));
threadProgress.Start();
}
تابع درصد پیشرفت
public int percent()
{
con.ConnectionString = @"Data Source=.;Initial Catalog=test;Integrated Security=True";
con.Open();
DataTable dt = new DataTable();
string sql = "SELECT percent_complete FROM sys.dm_exec_requests WHERE command IN ('RESTORE DATABASE','BACKUP DATABASE')";
cmd.CommandText = sql;
da.Fill(dt);
con.Close();
if (dt.Rows.Count == 0)
{
return 0;
}
return Convert.ToInt32(dt.Rows[0][0]);
}
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