You can javascript prompt to gather information from the user.

Example:


<script runat="server">
 void Page_Load(object sender, System.EventArgs e)
 {

      CuteEditor.ToolControl tc = Editor1.ToolControls["insertcustombutonhere"];
      if(tc!=null)
      {    
           System.Web.UI.WebControls.Image Image1 = new System.Web.UI.WebControls.Image ();
           Image1.ToolTip    = "Insert today's date";
           Image1.ImageUrl    = "tools.gif";
           Image1.CssClass    = "CuteEditorButton";
           SetMouseEvents(Image1);
           Image1.Attributes["onclick"]="var reply = prompt('Type your name please', ''); CuteEditor_GetEditor(this).ExecCommand('PasteHTML',false,reply)";
           tc.Control.Controls.Add(Image1);
      }
 }
 
 void SetMouseEvents(WebControl control)
 {
      control.Attributes["onmouseover"]="CuteEditor_ButtonCommandOver(this)";
      control.Attributes["onmouseout"]="CuteEditor_ButtonCommandOut(this)";
      control.Attributes["onmousedown"]="CuteEditor_ButtonCommandDown(this)";
      control.Attributes["onmouseup"]="CuteEditor_ButtonCommandUp(this)";
      control.Attributes["ondragstart"]="CuteEditor_CancelEvent()";
 }

</script>