a[sj]=nl;
int T;
try
{
for(T=0;T<=sj;T++)
{
SqlConnection con=db.createcon();
con.Open();
SqlCommand cmm=new SqlCommand("delete from mess where id='"+a[T]+"'",con);
cmm.ExecuteNonQuery();
con.Close();
}
this.Label1.Text="删除成功";
this.bind(); } catch { this.bind();
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