using System;
using System.Data;
using System.Data.SqlClient;
class CommandExampleNonQuery
{
static void Main()
{
SqlConnection thisConnection = new SqlConnection("server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI");
SqlCommand selectCommand = new SqlCommand("SELECT COUNT(*) FROM Employee", thisConnection);
SqlCommand nonqueryCommand = thisConnection.CreateCommand();
try {
thisConnection.Open();
Console.WriteLine("Before INSERT: Number of Employee is: {0}", selectCommand.ExecuteScalar());
nonqueryCommand.CommandText = "INSERT INTO Employee (Firstname, Lastname) VALUES ('Z', 'Z')";
Console.WriteLine(nonqueryCommand.CommandText);
Console.WriteLine("Number of Rows Affected is: {0}",nonqueryCommand.ExecuteNonQuery());
Console.WriteLine("After INSERT: Number of Employee is: {0}", selectCommand.ExecuteScalar());
nonqueryCommand.CommandText = "DELETE FROM Employee WHERE Firstname='Z' AND Lastname='Z'";
Console.WriteLine(nonqueryCommand.CommandText);
Console.WriteLine("Number of Rows Affected is: {0}", nonqueryCommand.ExecuteNonQuery());
Console.WriteLine("After DELETE: Number of Employee is: {0}", selectCommand.ExecuteScalar());
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
thisConnection.Close();
Console.WriteLine("Connection Closed.");
}
}
}