asp.net - issue with onrowdataboun=".." causes only only 1 row to pull when there are many rows to pull

Protected Sub GridView1_RowDataBound(ByVal sender As System.Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles GridView1.RowDataBound
   
        Try
            If e.Row.RowType = DataControlRowType.DataRow Then
                Dim itemId As String = Me.GridView1.DataKeys(i).Value
                Dim hf As HiddenField = CType(e.Row.FindControl("HF_itemId"), HiddenField)
                hf.Value = itemId
                Session("Game_id" & i) = hf.Value
                i = i + 1
                             
      
            End If
        
        Catch ex As Exception
            Throw ex
        End Try
        End Sub



' ====


  <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="Game_Id"
        CellPadding="4" ForeColor="#333333" onrowdatabound="GridView1_RowDataBound" onrowupdated="chkD2Status_CheckedChanged"      
        AllowPaging="True" AllowSorting="True" Height="200px" Width="900px" 
        Font-Size="Small" style="margin-right: 57px">
            <RowStyle BackColor="#EFF3FB" />
            <Columns>
                <asp:BoundField DataField="Game_Time" HeaderText="Game Time" ReadOnly="True" 
                    SortExpression="Game_Time" />
                <asp:TemplateField HeaderText="Away Team/Home Team">
                    <ItemTemplate>
                        <asp:Label ID="Label5" runat="server" Text='<%#DataBinder.Eval(Container.DataItem,"home_team") %>' CssClass="MakePicks_col_2_sec_1" ></asp:Label>
                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;
                        <asp:Label ID="Label6" runat="server" Text="@" Font-Bold="True" CssClass="MakePicks_col_2_sec_2" ></asp:Label>
                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <b>
                        <asp:Label ID="Label7" runat="server" Text='<%#DataBinder.Eval(Container.DataItem,"away_team") %>' CssClass="MakePicks_col_2_sec_3" ></asp:Label>
                        </b>
                        <br />
                        <b>
                        <asp:CheckBox ID="CheckBox1" runat="server"  Text='<%#DataBinder.Eval(Container.DataItem,"home_team_spread") %>' CssClass="MakePicks_col_2_sec_1"></asp:CheckBox>
                      
                        &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
                        <asp:CheckBox ID="CheckBox2" runat="server" Text='<%#DataBinder.Eval(Container.DataItem,"away_team_spread") %>' CssClass="MakePicks_col_2_sec_3"></asp:CheckBox>
               
                        <br />

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