please solve my error

Imports System.Data
Imports System.Data.SqlClient
Imports System.Configuration
Imports System.IO


Public Class login

    Dim cn As SqlConnection = New SqlConnection("Data Source=sohil-pc\sqlexpress;Initial Catalog=kshitij;Integrated Security=True;Pooling=False")



    Private Sub btnbrowse_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbrowse.Click
        ofdsignature.InitialDirectory = " d:\images"
        If ofdsignature.ShowDialog() <> Windows.Forms.DialogResult.Cancel Then
            lblsignature.Text = ofdsignature.FileName

        End If
    End Sub

    Private Sub lbllogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lbllogin.Click
        cn.Open()
        Dim cm As SqlCommand = New SqlCommand("select count(*) from Empdetails where EmpUsername=@p1 and EmpPassword=@p2", cn)
        cm.Parameters.Add("@p1", SqlDbType.VarChar).Value = txtusername
        cm.Parameters.Add("@p2", SqlDbType.VarChar).Value = txtpassword
        Dim UserFoundCount As Integer = Convert.ToInt32(cm.ExecuteScalar())
        If UserFoundCount = 1 Then
            'user exists
        ElseIf UserFoundCount = 0 Then
            'user not found
        ElseIf UserFoundCount > 1 Then
            'you have more than one of the same username and password in the table
        End If
        cn.Close()
    End Sub

    Private Sub login_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Try


        Catch ex As Exception
        End Try
    End Sub
End Class