Use Parameters in your sql command : SqlCommand Parameter « Database ADO.net « VB.Net

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VB.Net » Database ADO.net » SqlCommand ParameterScreenshots 
Use Parameters in your sql command
Use Parameters in your sql command
 
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 INSERT statement with named parameters
         nonqueryCommand.CommandText = _
            "INSERT INTO Employee VALUES (@MyID, @MyFirstName, @MyLastName?"

         ' Add Parameters to Command Parameters collection
         nonqueryCommand.Parameters.Add("@MyFirstName", SqlDbType.VarChar, 30)
         nonqueryCommand.Parameters.Add("@MyLastName", SqlDbType.VarChar, 30)
         nonqueryCommand.Parameters.Add("@MyID", SqlDbType.Int)

         ' Prepare command for repeated execution
         nonqueryCommand.Prepare()

         ' Data to be inserted
         Dim names() As String = {"Z""S""J""D"}
         For i As Integer = To 3
            nonqueryCommand.Parameters("@MyFirstName").Value = names(i)
            nonqueryCommand.Parameters("@MyLastName").Value = names(i)

            nonqueryCommand.Parameters("@MyID").Value = i+10
            Console.WriteLine("Executing {0}", _
               nonqueryCommand.CommandText)
            Console.WriteLine("Number of rows affected : {0}", _
               nonqueryCommand.ExecuteNonQuery())
         Next i
      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

           
         
  
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2.Pass Parameter into SQL commandPass Parameter into SQL command
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