Returning a single row

Question

I\'m trying to return a single row from a database:

using (connection = new SqlConnection(ConfigurationManager.AppSettings[\"connection\"]))
{
    using (command         


        

Answer 1

You can use an if statement if your query only returns one value

[...]
string x = string.Empty;
if(reader.Read()) {
    // make sure the value is not DBNull
    if(DBNull.Value != reader["col_1"]) {
       x = reader.GetString(0);
    }
}
[...]