Execute Delete command and check the result
Imports System Imports System.Data Imports System.Data.SqlClient public class MainClass Shared Sub Main() Dim thisConnection As New SqlConnection("server=(local)\SQLEXPRESS;" & _ "integrated security=sspi;database=MyDatabase") 'Create Command object Dim nonqueryCommand As SqlCommand = thisConnection.CreateCommand() Try ' Open Connection thisConnection.Open() Console.WriteLine("Connection Opened") 'Create Command objects Dim scalarCommand As New SqlCommand("SELECT COUNT(*) FROM Employee", thisConnection) ' Execute Scalar Query Console.WriteLine("Before INSERT, Number of Employees = {0}", _ scalarCommand.ExecuteScalar()) ' Set up and execute DELETE Command nonqueryCommand.CommandText = _ "DELETE FROM Employee WHERE " & _ "Firstname='A' AND Lastname='A'" Console.WriteLine("Executing {0}", nonqueryCommand.CommandText) Console.WriteLine("Number of rows affected : {0}", _ nonqueryCommand.ExecuteNonQuery()) ' Execute Scalar Query Console.WriteLine("After Delete, Number of Employee = {0}", _ scalarCommand.ExecuteScalar()) Catch ex As SqlException ' Display error Console.WriteLine("Error: " & ex.ToString()) Finally ' Close Connection thisConnection.Close() Console.WriteLine("Connection Closed") End Try End Sub End Class
1. | Delete database record |