Converting this Code to C#

Question

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