"Douglas Rohm" wrote:

> Hi,
> I'm creating a composite server control that contains a 3rd party TreeView
> server control along with other properties.  I'm exposing some, not all, of
> the properties of the TreeView through properties in my control.  I'm setting
> the DefaultValue attribute on a property and when I drop the control onto a
> web page in Design View, the default value for that property is NOT getting
> set.  The really weird part is when I go to Source View of the web page and
> look at the properties window for the control, it DOES show the default
> value.  Does anyone know what could possibly be the problem here?  I've been
> banging my head on this one for a couple of days with no resolution in sight.
> 
>
> Also, when I first drop the control onto the page and look in the Source
> View on the web page, the property that has the DefaultValue attribute set is
> not displayed in the HTML source.  Is there something else I need to do in
> order for it to show up in the HTML source when the control is first dropped
> onto the page?
>
> Here is what is in the HTML source when it's initially dropped onto the page:
>
> <cc1:Status ID="Status1" runat="server" />
>
> What I would like is this:
>
> <cc1:Status ID="Status1" runat="server" ServerDetailsNodeTextPaddingLeft="5"
> />
>
> Any help would really be great.  Below is a shortened version of the control.
>
> Thanks,
>
> Doug
>
> using System;
> using System.Collections.Generic;
> using System.Data;
> using System.Drawing.Design;
> using System.ComponentModel;
> using System.Configuration;
> using System.Collections;
> using System.Text;
> using System.Web;
> using System.Web.Configuration;
> using System.Web.Security;
> using System.Web.UI;
> using System.Web.UI.Design;
> using System.Web.UI.WebControls;
> using System.Web.UI.WebControls.WebParts;
> using System.Web.UI.HtmlControls;
> using System.Xml;
> using ExpertTreeNode = ASPNETExpert.WebControls.TreeNode;
> using ExpertTree = ASPNETExpert.WebControls.ExpertTree;
>
> namespace MyServerControls
> {
>     [DefaultProperty("Text")]
>     [ToolboxData("<{0}:Status runat=server></{0}:Status>")]
>     public class Status : CompositeControl
>     {
>         private string _hostName;
>         private ExpertTree ServerDetailsTree;
>
>         [
>             Bindable(true),
>             Category("Default"),
>             RefreshProperties(RefreshProperties.Repaint),
>             Description("Server hostname or IP address to query.")
>         ]
>         public string Hostname
>         {
>             get { return (string)ViewState["Hostname"]; }
>             set { ViewState["Hostname"] = value; }
>         }
>
>         [
>             Bindable(true),
>             DefaultValue(5),
>             NotifyParentProperty(true),
>             Category("Server Details"),
>             RefreshProperties(RefreshProperties.Repaint),
>             Description("Padding to include between a node's icon and its text.")
>         ]
>         public int ServerDetailsNodeTextPaddingLeft
>         {
>             get
>             {
>                 EnsureChildControls();
>                 return ServerDetailsTree.NodeTextPaddingLeft;
>             }
>             set
>             {
>                 EnsureChildControls();
>                 ServerDetailsTree.NodeTextPaddingLeft = value;
>             }
>         }
>
>         protected override void RecreateChildControls()
>         {
>             EnsureChildControls();
>         }
>
>         protected override void OnLoad(EventArgs e)
>         {
>             base.OnLoad(e);
>         }
>
>         protected override void CreateChildControls()
>         {
>             Controls.Clear();
>             ServerDetailsTree = new ExpertTree();
>             ServerDetailsTree.ID = "ServerDetailsTree";
>             ServerDetailsTree.NodeTextPaddingLeft = 5;
>             this.Controls.Add(ServerDetailsTree);
>         }
>
>         protected override void Render(HtmlTextWriter writer)
>         {
>             AddAttributesToRender(writer);
>             ServerDetailsTree.RenderControl(writer);
>         }
>     }
> }
>
>

"DWS" wrote:

> Douglas,
> First things first.  "page markup", "aspx", "source" or, "markup" instead of
> "html" when your talking about aspx page source.
>
> Default values are not placed in the html oh I mean the aspx page markup. 
> Its by design so you can easily erase all the properties to get the defaults
> back.
>
> Doug try this one out  Walkthrough: Creating a Basic Control Designer for a
> Web Server Control http://msdn2.microsoft.com/en-us/library/12yydcke.aspx
>
> Good Luck
> DWS
>
> "Douglas Rohm" wrote:
>
> > Hi,
> > I'm creating a composite server control that contains a 3rd party TreeView
> > server control along with other properties.  I'm exposing some, not all, of
> > the properties of the TreeView through properties in my control.  I'm setting
> > the DefaultValue attribute on a property and when I drop the control onto a
> > web page in Design View, the default value for that property is NOT getting
> > set.  The really weird part is when I go to Source View of the web page and
> > look at the properties window for the control, it DOES show the default
> > value.  Does anyone know what could possibly be the problem here?  I've been
> > banging my head on this one for a couple of days with no resolution in sight.
> > 
> >
> > Also, when I first drop the control onto the page and look in the Source
> > View on the web page, the property that has the DefaultValue attribute set is
> > not displayed in the HTML source.  Is there something else I need to do in
> > order for it to show up in the HTML source when the control is first dropped
> > onto the page?
> >
> > Here is what is in the HTML source when it's initially dropped onto the page:
> >
> > <cc1:Status ID="Status1" runat="server" />
> >
> > What I would like is this:
> >
> > <cc1:Status ID="Status1" runat="server" ServerDetailsNodeTextPaddingLeft="5"
> > />
> >
> > Any help would really be great.  Below is a shortened version of the control.
> >
> > Thanks,
> >
> > Doug
> >
> > using System;
> > using System.Collections.Generic;
> > using System.Data;
> > using System.Drawing.Design;
> > using System.ComponentModel;
> > using System.Configuration;
> > using System.Collections;
> > using System.Text;
> > using System.Web;
> > using System.Web.Configuration;
> > using System.Web.Security;
> > using System.Web.UI;
> > using System.Web.UI.Design;
> > using System.Web.UI.WebControls;
> > using System.Web.UI.WebControls.WebParts;
> > using System.Web.UI.HtmlControls;
> > using System.Xml;
> > using ExpertTreeNode = ASPNETExpert.WebControls.TreeNode;
> > using ExpertTree = ASPNETExpert.WebControls.ExpertTree;
> >
> > namespace MyServerControls
> > {
> >     [DefaultProperty("Text")]
> >     [ToolboxData("<{0}:Status runat=server></{0}:Status>")]
> >     public class Status : CompositeControl
> >     {
> >         private string _hostName;
> >         private ExpertTree ServerDetailsTree;
> >
> >         [
> >             Bindable(true),
> >             Category("Default"),
> >             RefreshProperties(RefreshProperties.Repaint),
> >             Description("Server hostname or IP address to query.")
> >         ]
> >         public string Hostname
> >         {
> >             get { return (string)ViewState["Hostname"]; }
> >             set { ViewState["Hostname"] = value; }
> >         }
> >
> >         [
> >             Bindable(true),
> >             DefaultValue(5),
> >             NotifyParentProperty(true),
> >             Category("Server Details"),
> >             RefreshProperties(RefreshProperties.Repaint),
> >             Description("Padding to include between a node's icon and its text.")
> >         ]
> >         public int ServerDetailsNodeTextPaddingLeft
> >         {
> >             get
> >             {
> >                 EnsureChildControls();
> >                 return ServerDetailsTree.NodeTextPaddingLeft;
> >             }
> >             set
> >             {
> >                 EnsureChildControls();
> >                 ServerDetailsTree.NodeTextPaddingLeft = value;
> >             }
> >         }
> >
> >         protected override void RecreateChildControls()
> >         {
> >             EnsureChildControls();
> >         }
> >
> >         protected override void OnLoad(EventArgs e)
> >         {
> >             base.OnLoad(e);
> >         }
> >
> >         protected override void CreateChildControls()
> >         {
> >             Controls.Clear();
> >             ServerDetailsTree = new ExpertTree();
> >             ServerDetailsTree.ID = "ServerDetailsTree";
> >             ServerDetailsTree.NodeTextPaddingLeft = 5;
> >             this.Controls.Add(ServerDetailsTree);
> >         }
> >
> >         protected override void Render(HtmlTextWriter writer)
> >         {
> >             AddAttributesToRender(writer);
> >             ServerDetailsTree.RenderControl(writer);
> >         }
> >     }
> > }
> >
> >