I got error invalid column 'A1009'
string v11;
chk1 = "select Sno from Student where SID = "+ @smemno.Text.ToString();
SqlCommand ck1 = new SqlCommand(chk1, cn);
v11 = (string)ck1.ExecuteScalar();
what should i do please help me....
I got error invalid column 'A1009'
string v11;
chk1 = "select Sno from Student where SID = "+ @smemno.Text.ToString();
SqlCommand ck1 = new SqlCommand(chk1, cn);
v11 = (string)ck1.ExecuteScalar();
what should i do please help me....
Most likely SID is a string so you need to change your code to
ch1 = "select Sno from Student where SID = '" + @smemno.Text + "'";
Notice the single tick marks ('). And there is no need to call ToString() on a text field.
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