how can i get the value ...which code write in button click event that get my id..
USE DATATABLE
Public Function inst() As DataTable
Dim tb2 As New DataTable
Dim st As String
Dim dfsty As DataSet
Dim df As New SqlClient.SqlDataAdapter
Try
cn.Open()
st = "SELECT EmMaster_EmploId FROM(EmMaster) WHERE EmMaster_EmploId=(SELECT max(EmMaster_EmploId) FROM EmMaster)"
df = New SqlDataAdapter(st, cn)
df.Fill(dfsty, "EmMasater")
tb2 = dfsty.Tables(0)
cn.Close()
Catch ex As Exception
MessageBox.Show(ex.Message)
Finally
cn.Close()
End Try
Return tb2
End Function
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.Windows.RoutedEventArgs) Handles btnSave.Click
Try
Dim dss As DataTable
dss = inst()