Hello:
I am trying to pass a value from a cookie to a Select Parameter.
When I have this on the page the cookie values are shown.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Label1.Text = Request.Cookies("Data")("E
Label2.Text = Request.Cookies("Data")("I
End Sub
<asp:Label ID="Label1" runat="server"></asp:Label
<br />
<asp:Label ID="Label2" runat="server"></asp:Label
<br />
However, the datasource below does not give me any records. There is no error message, just shows nothing on the screen.
<asp:SqlDataSource ID="DataSource" runat="server" ConnectionString="<%$ ConnectionStrings:UsersCon
SelectCommand="SELECT [FullName], [ActivityDate] FROM [Info] WHERE ([AutoNum] = @AnyID)">
<SelectParameters>
<asp:CookieParameter CookieName="Data.ID" Name="AnyID" Type="Int32" />
</SelectParameters>
</asp:SqlDataSource>
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I tried your suggestions and it didn't work
Protected Sub DataSource_Selecting(ByVal
Dim AnyID As String
AnyID = Request.Cookies("Data")("I
End Sub
However, this works when I hard coded it
<SelectParameters>
<asp:CookieParameter CookieName="Data.ID" Value"17" Name="AnyID" Type="Int32" />
</SelectParameters>
I am getting an exception error
Unable to cast object of type 'System.Web.UI.WebControls
Protected Sub DataSource_Selecting(ByVal
Dim AnyID As String
AnyID = Request.Cookies("Data")("I
CType(sender, SqlDataSource).SelectParam
End Sub
Oops, try this then:
Protected Sub DataSource_Selecting(ByVal
Dim AnyID As String
AnyID = Request.Cookies("Data")("I
DataSource.SelectParameter
End Sub
It does not work. There is no error, just no data. However, when I change the parameter to a control parameter and attach it to a label it works
<SelectParameters>
<asp:ControlParameter ControlID="Label2" Name="AnyID" PropertyName="Text" Type="Int32" />
</SelectParameters>
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Label1.Text = Request.Cookies("Data")("E
Label2.Text = Request.Cookies("Data")("I
End Sub
<asp:Label ID="Label1" runat="server"></asp:Label>
<br />
<asp:Label ID="Label2" runat="server"></asp:Label>
<br />
However, it does not solve my problem because I want to get the variable from the cookie.
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Answer for Membership
by: dacITPosted on 2009-10-28 at 17:14:21ID: 25689515
Try this to test:
1- Make the DataSource CookieParameter a regular parameter
2- Handle the DataSource Selecting event
3- Get the data from the cookie and assign it to the parameter in that event.
Then you can see if you actually get a value from the cookie and assigning it to the DataSource manually might help you find the problem.