Result set info: field count and field type
using System; using System.Data; using System.Data.SqlClient; class ResultSetInfo{ static void Main(string[] args) { string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI"; string sql = @"select FirstName, LastName from Employee"; SqlConnection conn = new SqlConnection(connString); try { conn.Open(); SqlCommand cmd = new SqlCommand(sql, conn); SqlDataReader reader = cmd.ExecuteReader(); Console.WriteLine("Column Name:\t{0} {1}", reader.GetName(0).PadRight(25),reader.GetName(1)); Console.WriteLine("Data Type:\t{0} {1}", reader.GetDataTypeName(0).PadRight(25), reader.GetDataTypeName(1)); Console.WriteLine("Number of columns in a row: {0}", reader.FieldCount); Console.WriteLine("'{0}' is at index {1} and its type is: {2}", reader.GetName(0),reader.GetOrdinal("FirstName"),reader.GetFieldType(0)); Console.WriteLine("'{0}' is at index {1} and its type is: {2}", reader.GetName(1), reader.GetOrdinal("LastName"),reader.GetFieldType(1)); reader.Close(); } catch(Exception e) { Console.WriteLine("Error Occurred: " + e); } finally { conn.Close(); } } }
1. | Result set info: column Name, column Type, type name | ||
2. | Get result data from SqlDataReader by type: decimal, string, int and boolean |