using System;
using System.Data;
using System.Data.SqlClient;
class SchemaTable
{
static void Main(string[] args)
{
string connString = "server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI";
string sql = @"select * from employee";
SqlConnection conn = new SqlConnection(connString);
try {
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
SqlDataReader reader = cmd.ExecuteReader();
DataTable schema = reader.GetSchemaTable();
foreach (DataRow row in schema.Rows)
{
foreach (DataColumn col in schema.Columns){
Console.WriteLine(col.ColumnName + " = " + row[col]);
Console.WriteLine("Null value allowed: " + col.AllowDBNull);
}
}
reader.Close();
} catch(Exception e) {
Console.WriteLine("Error Occurred: " + e);
} finally {
conn.Close();
}
}
}
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