[Mono-dev] System.Web.Extensions testing under mojoPortal

[Onur Gumus]

Hey,

Almost same result here (though I tried with ordinary ASP.NET applications).
Unfortunately without  the blow is fixed

>  I encountered a bug that needs to be fixed but was able to work around
it.
> The bug was a null reference on any controls inside the UpdatePanel
> and the workaround was to get the needed reference using
> UpdatePanel1.FindControl(...)

it is not very usable. You know it is overkill to use FindControl everytime
you want to access the controls in the page


Onur



On 8/29/07, Joe Audette <joe.audette at gmail.com> wrote:
>
> Hi All,
>
> Yesterday I managed to get UpdatePanel working in mojoPortal using
> Mono from svn r84961 and mojoportal from svn trunk:
> https://forgesvn1.novell.com/svn/mojoportal/trunk
>
> I encountered a bug that needs to be fixed but was able to work around it.
> The bug was a null reference on any controls inside the UpdatePanel
> and the workaround was to get the needed reference using
> UpdatePanel1.FindControl(...)
> Relevant code from BlogEdit.aspx and BlogEdit.aspx.cs:
>
> <asp:TextBox id="txtCategory" runat="server" Columns="50"></asp:TextBox>
>                             <asp:Button  id="btnAddCategory"
> runat="server"></asp:Button>
>                 <div class="settingrow">
>                             <asp:UpdatePanel ID="UpdatePanel1"
> UpdateMode="Conditional"
> runat="server">
>                 <ContentTemplate>
>                     <asp:CheckBoxList id="chkCategories"
> runat="server" SkinID="Blog"></asp:CheckBoxList>
>                 </ContentTemplate>
>                 </asp:UpdatePanel>
>
> private void Page_Load(object sender, EventArgs e)
> {
>
>     if (ScriptController != null)
>     {
>         ScriptController.RegisterAsyncPostBackControl(btnAddCategory);
>     }
>     else
>     {
>         log.Error("ScriptController was null");
>     }
>
>     if ((!Page.IsPostBack) && (!Page.IsCallback))
>     {
>         PopulateControls();
>         PopulateCategories();
>     }
>
> }
>
> private void PopulateCategories()
>                 {
>             // Mono doesn't see this in update panel
>             // so help find it
>             if (chkCategories == null)
>             {
>                 log.Error("chkCategories was null");
>
>                 chkCategories =
> (CheckBoxList)UpdatePanel1.FindControl("chkCategories");
>             }
>
>             if (ShowCategories)
>             {
>                 chkCategories.Items.Clear();
>                 IDataReader reader;
>                 reader = Blog.GetCategoriesList(this.ModuleID);
>                 while (reader.Read())
>                 {
>                     ListItem listItem = new ListItem();
>                     listItem.Text = reader["Category"].ToString();
>                     listItem.Value = reader["CategoryID"].ToString();
>                     chkCategories.Items.Add(listItem);
>                 }
>                 reader.Close();
>
>                 if (this.ItemID > -1)
>                 {
>                     reader = Blog.GetItemCategories(this.ItemID);
>                     while (reader.Read())
>                     {
>                         ListItem item =
> chkCategories.Items.FindByValue(reader["CategoryID"].ToString());
>                         if (item != null)
>                         {
>                             item.Selected = true;
>                         }
>                     }
>                     reader.Close();
>                 }
>
>             }
>
>                 }
>
> protected void btnAddCategory_Click(object sender, EventArgs e)
>                 {
>
>             if (this.txtCategory.Text.Length > 0)
>             {
>                 int newCategoryID =
> Blog.AddBlogCategory(this.ModuleID, this.txtCategory.Text);
>                 if (this.ItemID > 0)
>                 {
>                     Blog.AddItemCategory(this.ItemID, newCategoryID);
>                 }
>
>                 PopulateCategories();
>                 UpdatePanel1.Update();
>
>             }
>
>                 }
>
>
> With the workaround it does work on Mono. Even without the workaround
> it worked on Windows using the Mono System.Web.Extensions.dll
>
> When I tried to use the same dll on Mono 1.2.4 vm it did not work, it
> compiled ok but at runtime I got an error about unkown type
> System.Web.UI.Literal. I think the issue on 1.2.4 has to do with this
> in Web.config:
> <add tagPrefix="asp" namespace="System.Web.UI"
> assembly="System.Web.Extensions"/>
>
> Seems to lose track of all other controls in asp prefix that are not
> in the System.Web.Extensions.dll. A workaround might be to use a
> different prefix like ajax instead of asp.
>
> I've been waiting a long time to be able to use UpdatePanel and other
> MS Ajax stuff in mojoportal so I'm very happy to have progress but
> would like to be able to use it more extensively without having to
> .FindControl every control in the updatepanel
>
> Thanks,
>
> Joe
>
> --
> Joe Audette
> Software Solutions Architect
> Source Tree Solutions, LLC
> joe.audette at gmail.com
> http://www.sourcetreesolutions.com
> http://www.mojoportal.com
> _______________________________________________
> Mono-devel-list mailing list
> Mono-devel-list at lists.ximian.com
> http://lists.ximian.com/mailman/listinfo/mono-devel-list
>



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