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8.2

Retreiving a Usercontrol property on Postback

Asked by gjok in Programming for ASP.NET, .NET Framework 2.x, C# Programming Language

Tags: c# asp.net

Hi.
asp.net 2.0 / c#

I have a webform with a thumbnail usercontrol. The usercontrol has an int property called ImageID.
When the page loads the ImageID is assigned, but when I do a postback, the property is set to zero !

How do I get it to remember the properties value on postback (like other webcontrols do, such as textboxes or checkboxes)

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             // Usercontrol code
public int ImageID
{
  get { return _imgId; }
  set { _imgId = value; }
}
 
 
// Webform Code
protected void Page_Load(object sender, EventArgs e)
{
  if (!IsPostBack)
    LoadProfile();
}
 
protected void LoadStripProfile()
{
  Portfolio pf = Portfolio.Retrieve(ArtistID);
  MyThumbnail1.ImageID = pf.StripThumb1;
  MyThumbnail2.ImageID = pf.StripThumb2;
  MyThumbnail3.ImageID = pf.StripThumb3;
}
 
protected void btnSave_Click(object sender, EventArgs e)
{
  if (MyThumbnail2.ImageID == 0)
    lbl.Text="No ImageID";
  else
    lbl.Text="ImageID is " + MyThumbnail2.ImageID;
}

           
         

20091118-EE-VQP-93 / EE_QW_2_20070628

Retreiving a Usercontrol property on Postback

Asked by gjok in Programming for ASP.NET, .NET Framework 2.x, C# Programming Language

Tags: c# asp.net

About this solution