Converting this Code to C#
                            
                         
                        
                     
                 
                
                    I am trying to use this code from VB to C#..I tried to converting it but i get an Function error? can anyone please help me?
Private Sub Datalist1_ItemCommand(ByVal source As Object, _
    ByVal e As System.Web.UI.WebControls.DataListCommandEventArgs) Handles Datalist1.ItemCommand
If e.CommandName = "Show" Then
            Dim EmpIDlabel As Label = e.Item.FindControl("lblEID")
            Dim strEmpID As String = EmpIDlabel.Text
            CType(e.Item.FindControl("Datagrid1"), DataGrid).DataSource = GetEmpDetails(strEmpID)
            CType(e.Item.FindControl("Datagrid1"), DataGrid).DataBind()
            CType(e.Item.FindControl("Datagrid1"), DataGrid).Visible = True
            CType(e.Item.FindControl("btnDetails"), LinkButton).Text = "-"
            CType(e.Item.FindControl("btnDetails"), LinkButton).CommandName = "Hide"
End If
If e.CommandName = "Hide" Then
            CType(e.Item.FindControl("Datagrid1"), DataGrid).Visible = False
            CType(e.Item.FindControl("btnDetails"), LinkButton).Text = "+"
            CType(e.Item.FindControl("btnDetails"), LinkButton).CommandName = "Show"
End If
End Sub
Function GetEmpDetails(ByVal Employeeid As String) As SqlDataReader
        Const strConnString As String = "server=localhost;uid=sa;pwd=;database=northwind"
        Dim objConn As New SqlConnection(strConnString)
        Dim strSQL As String
        strSQL = "SELECT FirstName , LastName ,Title, Address FROM Employees " & _
                 "WHERE Employeeid = @Employeeid"
        Dim objCmd As New SqlCommand(strSQL, objConn)
        Dim paramEmployeeid As SqlParameter
        paramEmployeeid = New SqlParameter("@Employeeid", SqlDbType.VarChar, 10)
        paramEmployeeid.Value = Employeeid
        objCmd.Parameters.Add(paramEmployeeid)
        objConn.Open()   'Open the connection
        Return objCmd.ExecuteReader(CommandBehavior.CloseConnection)
End Function