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How do I use C# convertion types?

Posted on 2011-09-21
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Last Modified: 2013-12-17
Hi,

I have the below collection...

[CollectionDataContract]
    public class ImageLinkCollection : List<ImageLinkItem>
    {
        public void Add(SPBrandImageLink spImageLinks)
        {
            string strUrl = spImageLinks.URL.IndexOf(',') > 0 ? spImageLinks.URL.Split(',')[0].Trim() : "";

            ImageLinkItem i = new ImageLinkItem(Converters.ConvertNullableInt(spImageLinks.Id), spImageLinks.Title,
                                                spImageLinks.Path,
                                                Converters.ConvertNullableDate(spImageLinks.Created),
                                                Converters.ConvertNullableDate(spImageLinks.Modified));

            SPFieldUrlValue spLogo = spImageLinks.Logo as SPFieldUrlValue;
            if (spLogo != null)
                i.Logo = new ImageDownload(i.Id, spLogo.Description, spLogo.Url, i.Created, i.Modified);
            i.Url = strUrl;
            i.Order = (int)Converters.ConvertNullableDouble(spImageLinks.Order);

            Add(i);
        }
    }

I am attempting to add to the collection with the below but I receive the error "Cannot implicitly convert type System.Collections.Generic.List<SPBrandImageLink> to SPBrandImageLink"?...

var query = from SPBrandImageLink in DAL.BrandOnTheInternet.Cast<SPBrandImageLink>()
                            orderby SPBrandImageLink.Order
                            select SPBrandImageLink;

                SPBrandImageLink spImageLinks = query.ToList<SPBrandImageLink>();

                Logger.LogInfo("Found " + query.Count().ToString() + " On The Internet Links for " + HttpContext.Current.User.Identity.Name);

                result.Add(spImageLinks);
0
Comment
Question by:aspnet-scotland
5 Comments
 
LVL 10

Assisted Solution

by:oxyoo
oxyoo earned 300 total points
ID: 36572454
Instead of:  SPBrandImageLink spImageLinks = query.ToList<SPBrandImageLink>();
Try this:


IList<SPBrandImageLink> spImageLinks = query.ToList<SPBrandImageLink>();

Open in new window

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Accepted Solution

by:
aspnet-scotland earned 0 total points
ID: 36572475
I also had to add the below as a method within ImageLinkCollection changing the initial Add method variable to spImageLink...

public void Add(List<SPBrandImageLink> spImageLinks)
        {
            foreach (SPBrandImageLink spImageLink in spImageLinks)
            {
                Add(spImageLink);
            }
        }

Thanks.
0
 
LVL 16

Assisted Solution

by:Easwaran Paramasivam
Easwaran Paramasivam earned 200 total points
ID: 36572525
Use below code:              

 List<SPBrandImageLink> spImageLinks = query.ToList<SPBrandImageLink>();

0
 
LVL 1

Expert Comment

by:RG59
ID: 36572563
You could just use a var (assuming .Net 3.5 or later) and let .Net take care of it...

var spImageLinks = query.ToList<SPBrandImageLink>();
0
 

Author Closing Comment

by:aspnet-scotland
ID: 36597764
Partially solved myself
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