David wrote:
> Hi all,
>
> I am not quite sure how to phrase the subject, so apologies.
>
> I am writing a custom control. It is using a textbox. I create the text box,
> but cannot read the contents of it later.
>
> Here is my code...
>
> using System;
> using System.Web.UI;
> using System.Web.UI.WebControls;
> using System.ComponentModel;
> using System.Drawing;
>
> namespace MyProjectControls
> {
> /// <summary>
> /// Summary description for WebCustomControl1.
> /// </summary>
> [DefaultProperty("Text"),
> ToolboxData("<{0}:WebCustomControl1
> runat=server></{0}:WebCustomControl1>")]
> public class HTMLPlaceHolder : System.Web.UI.WebControls.WebControl
> {
>
> private System.Web.UI.WebControls.TextBox tb = new TextBox();
>
>
> private string text;
> private string _CurrentViewMode = "display";
>
> [Bindable(true),
> Category("Appearance"),
> DefaultValue("")]
> public string Text
> {
> get
> {
> return text;
> }
>
> set
> {
> text = value;
> }
> }
>
> public string CurrentViewMode
> {
> get
> {
> return _CurrentViewMode.ToLower();
> }
>
> set
> {
> _CurrentViewMode = value.ToLower();
> }
> }
>
> /// <summary>
> /// Render this control to the output parameter specified.
> /// </summary>
> /// <param name="output"> The HTML writer to write out to </param>
> protected override void Render(HtmlTextWriter output)
> {
>
> RenderContents(output);
>
> }
>
>
> protected override void OnPreRender(EventArgs e)
> {
> System.Web.UI.Page MyPage = this.Page as System.Web.UI.Page;
>
> CurrentViewMode = MyPage.PageState;
>
> Text = "This is purely test text"
>
> if (MyPage.AllowSave)
> {
> SavePlaceholder();
> }
>
> switch (CurrentViewMode)
> {
> case "edit" :
> AuthoringPlaceholder();
> break;
> case "display" :
> DisplayPlaceholder();
> break;
> case "design" :
> DesignPlaceholder();
> break;
> default:
> DisplayPlaceholder();
> break;
> }
>
>
> base.OnPreRender (e);
> }
>
> protected void DesignPlaceholder()
> {
> }
>
> protected void AuthoringPlaceholder()
> {
> //TextBox tb = new TextBox();
>
> //this.tb = new TextBox();
> this.tb.ID = this.ID;
> this.tb.TextMode = TextBoxMode.MultiLine;
> this.tb.Text = Text;
> this.tb.Columns = 40;
> this.tb.Rows = 15;
>
> Controls.Add(this.tb);
>
> }
>
> protected void DisplayPlaceholder()
> {
> LiteralControl lit = new LiteralControl("<div>" + Text + "</div>");
> Controls.Add(lit);
> }
>
> protected void SavePlaceholder()
> {
> System.Web.HttpContext.Current.Response.Write(this.tb.Text);
> }
>
> }
> }
>
>
> In the SavePlaceHolder, I want to be able to display what is written in the
> text box. (Actually, I want to save it, but to display it will show that
> something is happening).
>
> However, this.tb.Text has nothing in it in the SavePlaceholder.
>
> How can I ensure that what is coming back when the page is submitted is
> actually there?
>
> Thanks.
>
> Best regards,
> Dave Colliver.
> http://www.AshfieldFOCUS.com
> ~~
> http://www.FOCUSPortals.com - Local franchises available