Question

enter code herehi. i am trying to implment custom paging in datalist control .
and i am using Pagedatasource to schive this one
PagedDataSource objPage = new PagedDataSource();

try
{

 datatable ds= (datatable)viewstate["dtimages"]   
 objPage.AllowPaging = true;    
 //Assigning the datasource to the 'objPage' object.
 objPage.DataSource = ds.Dataset.Tables["Gallery"].ToString();
 //Setting the Pagesize
 objPage.PageSize = 8;
 dlGallery.DataSource = objPage;
dlGallery.DataKeyField = "Image_ID";
**dlGallery.DataBind();// getting error**
}

catch(Exception ex)
{
 throw ex;
}

Cannot compute Count for a data source that does not implement ICollection.

why is this happening does any one can help me out
thank you

Answer 1

You’re setting your Data Source to a string by calling ToString().

It should be:

objPage.DataSource = ds.Dataset.Tables["Gallery"];