Question

Trying to Delete row from sql database. Quotation mark is the problem
I tried to add perfect quotation in following query but it is not accepting it.

 con.Open();
 SqlCommand fac = new SqlCommand("delete from faculty where schoolName = '" + schlName , con);
 fac.ExecuteNonQuery();
 con.Close();

Please check and reply with the solution.
I tried to add perfect quotation in following query but it is not accepting it.

Answer 1

You need to use parameters:

using (var conn = ...)
using (var command = new SqlCommand("delete from faculty where schoolName = @School", con)) {
   command.Parameters.AddWithValue("@School", schoolName);