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.NET Forum / ASP.NET / General / July 2007

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beginners question...

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aotemp@hotmail.com - 09 Jul 2007 22:38 GMT
Hi!

Im trying to so a little something with a control, but clearly I don't
know how to do it.

What I would like to do is have something like...  (the variable names
are large here to describe what they do...

<Mine:MyLibrary iNumberOfItemsContainedInDivTagsBelowPerPage="3">

 <div> Im #1 </div>
 <div> Im #2 </div>
 <div> Im #3 </div>
 <div> Im #4 </div>
 <div> Im #5 </div>

</Mine:MyLibrary>

And in my control I would like to grab this data, each div tagged
surrounded item counts as 1 item, and I would like to display these
items in a page, with the number of items per page being designated by
the variable.

Im new at this...  I don't want to use a datagrid or other control in
this process...  Please help!  My code so far is below... and it does
very little, I just dont know how to approach this div thing

THank you so much in advance!
me
------------------
.ascx
<script language="VB" runat="server">

   Public intNumPerPage As Integer = "5"

</script>

<span id="DivedOutput"> <%=intNumPerPage%> </span>
----------------------------
.aspx
<%@ Page Language="VB" %>
<%@ Register TagPrefix="Test" TagName="DivedOutput" Src="x.ascx" %>

<html>
<head>
 <title></title>
</head>
<body style="font: 10pt verdana">

 <Test:DivedOutput id="MyMessage" intNumPerPage="7" runat="server"/>

</body>
</html>
George Ter-Saakov - 09 Jul 2007 22:57 GMT
I have something simmilar
Bellow you can find a code for code for a Tab control.

You can take it as is and dump into some .cs file

Use:
<%@ Register Namespace="George.Controls" TagPrefix="cc1" %>

<cc1:GTabsView ID="tbTabs" runat="server" Visible=false>

<cc1:GTabPage ID="t1" TabName="Info">

   TAB 1 here

</cc1:GTabPage>

<cc1:GTabPage ID="t2" TabName="Info 2">

   TAB 2 here

</cc1:GTabPage>

</cc1:GTabsView>

You can look how it's done.
George.

---------------------------START OF CODE--------------

using System;
using System.Text;
using System.ComponentModel;
using System.Web;
using System.Web.UI;
using System.Drawing;
using System.Web.UI.WebControls;
using System.Collections;

namespace George.Controls
{
   [
    ToolboxData(@"<{0}:TabsView runat=""server""></{0}:GTabsView>"),
    ParseChildren(true, "Tabs")
       //ParseChildren(false)
       //     Designer(typeof(TabsViewDesigner))
   ]
   public class GTabsView : Control, IPostBackDataHandler, INamingContainer
   {
       private TabPageCollection _tabs;
       private int _iSelectedTab = 0;
       TextBox bx1;
       string _sScriptToCall = null;
       public GTabsView()
       {

       }

       public string ScriptToCall
       {
           get { return _sScriptToCall; }
           set { _sScriptToCall = value; }
       }
       public int CurrentTabIndex
       {
           get
           {
               return 1;
           }
           set
           {

           }
       }

       [
         PersistenceMode(PersistenceMode.InnerDefaultProperty),
         DefaultValue(null),
         Browsable(false)
       ]
       public int SelectedTab
       {
           get
           {
               return _iSelectedTab;
           }
           set
           {
               _iSelectedTab = value;
           }
       }
       [
         PersistenceMode(PersistenceMode.InnerDefaultProperty),
         DefaultValue(null),
         Browsable(false)
       ]
       public virtual TabPageCollection Tabs
       {
           get
           {
               if (_tabs == null)
                   _tabs = new TabPageCollection(this);
               return _tabs;
           }
       }
       protected override void OnLoad(EventArgs e)
       {
           this.Page.RegisterHiddenField(this.UniqueID,
_iSelectedTab.ToString());
           string sScript = "<script>\r\n" +
                   "            function MakeActiveTab(iIndex)\r\n" +
                   "{\r\n" +
                   "    document.getElementById(\"" + this.UniqueID +
"\").value = iIndex;\r\n" +
                   "    for(i = 0; i <= 10; i++)\r\n" +
                   "    {\r\n" +
                   "        var objTab = document.getElementById(\"tab\" +
i);\r\n" +
                   "        if( objTab == null )\r\n" +
                   "            break;\r\n" +
                   "        var objTabPanel =
document.getElementById(\"tb\" + i);\r\n" +
                   "        if( i == iIndex )\r\n" +
                   "        {\r\n" +
                   "            objTab.className='selectedtab';\r\n" +
                   "            objTabPanel.style.display='block';\r\n" +
                   "        }\r\n" +
                   "        else\r\n" +
                   "        {\r\n" +
                   "            objTab.className='tabheader';\r\n" +
                   "            objTabPanel.style.display='none';\r\n" +
                   "        }\r\n" +
                   "     \r\n" +
                   "    }\r\n";
           if (_sScriptToCall != null)
               sScript += _sScriptToCall;
           sScript += "}\r\n" +
                   "</script>";

           this.Page.RegisterClientScriptBlock("tabscript", sScript);
           base.OnLoad(e);
       }

       protected override void Render(HtmlTextWriter writer)
       {
           // bx1.RenderControl(writer);
           writer.Write("<div class=tabheader>");
           writer.Write("<ul class=tabheader>");
           int iIndex = 0;
           foreach (GTabPage pg in _tabs)
           {
               if (!pg.Visible)
                   continue;
               writer.Write("<li ");
               if (iIndex == _iSelectedTab)
                   writer.Write("class=selectedtab");
               else
                   writer.Write("class=tabheader");
               writer.Write(" id=\"tab");
               writer.Write(iIndex);
               writer.Write("\" onClick=\"MakeActiveTab(");
               writer.Write(iIndex);
               writer.Write(");\"><a href=\"#\" onclick=\"javascript:return
false\">");
               writer.Write(pg.TabName);
               writer.Write("</a></li>");
               iIndex++;
           }
           writer.Write("</ul></div>");

           iIndex = 0;
           foreach (GTabPage pg in _tabs)
           {
               if (!pg.Visible)
                   continue;
               writer.Write("<div class=\"tabcontent\" ");
               if (iIndex != _iSelectedTab)
                   writer.Write(" style=\"display:none\" ");
               writer.Write("id=tb");
               writer.Write(iIndex);
               writer.Write(">");
               pg.RenderControl(writer);
               writer.Write("</div>");
               iIndex++;
           }
       }

       #region IPostBackDataHandler Members

       public bool LoadPostData(string postDataKey,
System.Collections.Specialized.NameValueCollection postCollection)
       {
           _iSelectedTab = Int32.Parse(postCollection[this.UniqueID]);
           return false;
       }

       public void RaisePostDataChangedEvent()
       {

       }

       #endregion

   }

   public class TabPageCollection : IList, ICollection, IEnumerable
   {
       GTabsView _owner;
       public TabPageCollection(GTabsView owner)
       {
           _owner = owner;
       }

       #region IList Members

       public int Add(object value)
       {
           _owner.Controls.Add((Control)value);
           return _owner.Controls.Count - 1;
       }

       public void Clear()
       {
           if (_owner.HasControls())
               _owner.Controls.Clear();
       }

       public bool Contains(object value)
       {
           return _owner.Controls.Contains((Control)value);
       }

       public int IndexOf(object value)
       {
           return _owner.Controls.IndexOf((Control)value);
       }

       public void Insert(int index, object value)
       {
           _owner.Controls.AddAt(index, (Control)value);
       }

       public bool IsFixedSize
       {
           get { return false; }
       }

       public bool IsReadOnly
       {
           get { return false; }
       }

       public void Remove(object value)
       {
           _owner.Controls.Remove((Control)value);
       }

       public void RemoveAt(int index)
       {
           _owner.Controls.RemoveAt(index);
       }

       public object this[int index]
       {
           get
           {
               return _owner.Controls[index];
           }
           set
           {
               _owner.Controls.RemoveAt(index);
               _owner.Controls.AddAt(index, (Control)value);
           }
       }

       #endregion

       #region ICollection Members

       public void CopyTo(Array array, int index)
       {
           IEnumerator iEn = this.GetEnumerator();
           while (iEn.MoveNext())
           {
               array.SetValue(iEn.Current, index);
               index++;
           }
       }

       public int Count
       {
           get { return _owner.Controls.Count; }
       }

       public bool IsSynchronized
       {
           get { return false; }
       }

       public object SyncRoot
       {
           get { return this; }
       }

       #endregion

       #region IEnumerable Members

       public IEnumerator GetEnumerator()
       {
           return _owner.Controls.GetEnumerator();
       }

       #endregion

   }

   [
   ToolboxData(@"<{0}:TabPage runat=""server""></{0}:TabPage>"),
   ToolboxItem(false),
   ParseChildren(false)
   ]
   public class GTabPage : Panel, INamingContainer
   {
       protected string _sTabName;
       public string TabName
       {
           get
           {
               return _sTabName;
           }
           set
           {
               _sTabName = value;
           }
       }

   }
}
---------------------------END OF CODE--------------

---------------- STYLES-------------
.tabheader ul{

list-style: none;

padding: 0;

margin: 0;

}

.tabheader li{

float: left;

border: 1px solid #bbb;

border-bottom-width: 0;

margin: 0;

}

.tabheader a {

text-decoration: none;

display: block;

background: #eee;

padding: 0.24em 1em;

color: #00c;

text-align: center;

}

.tabheader a:hover {

background: #ddf;

}

li.selectedtab {

border-color: black;

}

.selectedtab a{

position: relative;

top: 1px;

background:#F3F3E2;

color: black;

font-weight: bold;

}

.selectedtab a:hover{

position: relative;

top: 1px;

background:#ddf;

color: black;

font-weight: bold;

}

div.content {

border: 1px solid black;

clear: both;

padding: 0 1em;

}

-------------------- END OF STYLES

> Hi!
>
[quoted text clipped - 49 lines]
> </body>
> </html>

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