Hi,
I'm trying to use a div as a texteditor. So I want to maintain state in the div using viewstate, but can't get it to work.

protected override void Render(HtmlTextWriter writer)
{
writer.AddAttribute(HtmlTextWriterAttribute.Type, "text");
writer.AddAttribute("contentEditable", "true");
writer.AddAttribute(HtmlTextWriterAttribute.Width, this.Width.ToString());
writer.AddAttribute(HtmlTextWriterAttribute.Height, this.Height.ToString());
writer.AddAttribute(HtmlTextWriterAttribute.Name, this.UniqueID);
writer.RenderBeginTag(HtmlTextWriterTag.Div);
writer.Write(this.Text);
writer.RenderEndTag();
}

Can somebody help me with this. I really don't know what I'm doing wrong.
The same code works fine if i change the div in a textbox.

Thx

Hi,

where does the div post/save its text value to/at server? (It doesn't do that by default)

That would happen at client probably to hidden input field which is then posted and assigned to the Text property of the custom div. TextBox posts its text value automatically (and associates it to its Text property) and therefore works. You haven't shown the complete code you have. Post it and we can help you then.

---

Thanks,

Teemu Keiski
Finland, EU

It is not an issue of view state -- it is an issue of forms and post back. You might want to have a dig at this source code:

http://www.freetextbox.com/

As Teemu was trying to imply, you have to have a form element as the "medium" of the data being posted back. I would use a hidden field, IMHO. But have a look at FTB and see what tricks John uses.

---

-- Justin Lovell

************* Edited by moderator Adec ***************
Inserted missing < code></ code> tags. Always include such
tags when including code in your postings. Many readers
disregard postings without the code tags.
**************************************************

this is the source code

	


[DefaultProperty("Text"), 


		ToolboxData("<{0}:richedit runat=server></{0}:richedit>")]


public class richedit : System.Web.UI.WebControls.WebControl, System.Web.UI.IPostBackDataHandler


	{





		private static readonly object EventTextChanged = new object();


		


		[Bindable(true), 


			Category("Appearance"), 


			DefaultValue("")] 


		public string Text 


		{


			get


			{


				string s = (string)ViewState["Text"];


				return (s==null) ? String.Empty : s;


			}





			set


			{


				ViewState["Text"] = value;


			}


		}





		[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]


		public string HtmlTextAreaID


		{


			get


			{


				return this.ClientID + "_HtmlTextArea";


			}


		}





		[Category("Action"), Description("Raised when the text in the htmlarea is changed")]


		public event EventHandler TexChanged


		{


			add


			{


				Events.AddHandler(EventTextChanged, value);


			}


			remove


			{


				Events.RemoveHandler(EventTextChanged, value);


			}


		}


	





		protected override void Render(HtmlTextWriter writer)


		{


			// TODO:  Add richedit.Render implementation


			if(Page != null)


				Page.VerifyRenderingInServerForm(this);


			


			writer.RenderBeginTag(HtmlTextWriterTag.Table);


			writer.RenderBeginTag(HtmlTextWriterTag.Tr);


			writer.RenderBeginTag(HtmlTextWriterTag.Td);


			writer.RenderEndTag(); //td


			writer.RenderEndTag(); //tr


			writer.RenderBeginTag(HtmlTextWriterTag.Tr);


			writer.RenderBeginTag(HtmlTextWriterTag.Td);


			writer.AddAttribute(HtmlTextWriterAttribute.Name, this.UniqueID);


			writer.AddAttribute(HtmlTextWriterAttribute.Value, String.Empty);


			writer.AddAttribute("contentEditable", "true");


			writer.AddStyleAttribute("padding", "5px");


			writer.AddStyleAttribute("OVERFLOW-X", "auto");


			writer.AddStyleAttribute("OVERFLOW-Y", "auto");


			writer.AddStyleAttribute(HtmlTextWriterStyle.BackgroundColor, "white");


			writer.AddStyleAttribute(HtmlTextWriterStyle.BorderStyle, "inset");


			writer.AddStyleAttribute(HtmlTextWriterStyle.BorderWidth, "2px");


			writer.AddStyleAttribute(HtmlTextWriterStyle.Width, this.Width.ToString());


			writer.AddStyleAttribute(HtmlTextWriterStyle.Height, this.Height.ToString());


			writer.RenderBeginTag(HtmlTextWriterTag.Div);


			writer.Write(this.Text);


			writer.RenderEndTag(); //div


			writer.RenderEndTag(); //td


			writer.RenderEndTag(); //tr


			writer.RenderBeginTag(HtmlTextWriterTag.Tr);


			writer.RenderBeginTag(HtmlTextWriterTag.Td);


			writer.Write("&nbsp;");


			writer.RenderEndTag(); //td


			writer.RenderEndTag(); //tr


			writer.RenderEndTag(); //table


			


		


		}


	


		protected virtual void OnTextChanged(EventArgs e)


		{


			EventHandler textChangedHandler = (EventHandler)Events[EventTextChanged];


			if(textChangedHandler != null)


			{


				textChangedHandler(this,e);


			}


		}


	


		#region IPostBackDataHandler Members





		public void RaisePostDataChangedEvent()


		{


			// TODO:  Add richedit.RaisePostDataChangedEvent implementation


			OnTextChanged(EventArgs.Empty);


		}





		public bool LoadPostData(string postDataKey, System.Collections.Specialized.NameValueCollection postCollection)


		{


			// TODO:  Add richedit.LoadPostData implementation


			string presentValue = Text;


			string postedValue = postCollection[postDataKey];








			if(!presentValue.Equals(postedValue))


			{


				Text = postedValue;


				return true;


			}


			return false;


		}





		#endregion


		


	}