CODEWITHSUNDEEP
c#asp.netvisual-studio-2010
Maya Noorallah Diab
Maya Noorallah Diab

Reputation: 19

How to set array of controls to placeholder?

I am a beginner with asp.net I'm doing a image retrieval project , in the end i have images links now , i create image control, give it the link and add to the placeholder but it give me error : Object reference not set to an instance of an object

code :

  System.Web.UI.WebControls.Image [] result = new System.Web.UI.WebControls.Image[links.Count()];

  for (int h = 0; h < result.Length; h++)
    {     
       result[h].ImageUrl = links[h];  /// here's the error 
       PlaceHolder1.Controls.AddAt(h, result[h]);    
    }

Upvotes: 2

Views: 387

Answers (1)

Mike Corcoran
Mike Corcoran

Reputation: 14564

You need to instantiate the Image in each array index before assigning to a member in it. try:

result[h] = new Image() { ImageUrl = links[h] };

Upvotes: 3

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