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Query issues

To find a specific issue, you can use the
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NewslettersManager.  The following code finds all issues per campaign with the specified rootCampaignId through the Native API.

Figure 1: GetIssues by rootCampaignId.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Telerik.Sitefinity.Modules.Newsletters;
using Telerik.Sitefinity.Newsletters.Model;
namespace Telerik.Sitefinity.Documentation.CodeSnippets.DevGuide.SitefinityEssentials.Modules.EmailCampaigns
{
public partial class EmailCampaignsSnippets
{
public static IQueryable<Campaign> GetIssues(Guid rootCampaignId)
{
NewslettersManager manager = NewslettersManager.GetManager();
var issues = manager.GetIssues(rootCampaignId);
return issues;
}
}
}
view raw GetIssuesByRootCampaignId.cs hosted with ❤ by GitHub


First, you initialize the NewslettersManager. Then, you call GetIssues method to retrieve all issues per campaign. You filter the issues based on the rootCampaignId property.

Another way is to use the other overload of the GetIssues method and filter by the instance of the root campaign. See here for For developers: Query campaigns. The following snippet find all issues per campaign using the campaign instance as a paramer:

Figure 2: Get issues by rootCampaign instance.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Telerik.Sitefinity.Modules.Newsletters;
using Telerik.Sitefinity.Newsletters.Model;
namespace Telerik.Sitefinity.Documentation.CodeSnippets.DevGuide.SitefinityEssentials.Modules.EmailCampaigns
{
public partial class EmailCampaignsSnippets
{
public IQueryable<Campaign> GetIssues(Campaign rootCampaign)
{
NewslettersManager manager = NewslettersManager.GetManager();
var issues = manager.GetIssues(rootCampaign);
return issues;
}
}
}
view raw GetIssuesByRootCampaignInstance.cs hosted with ❤ by GitHub

Via NewslettersManager you can also retrieve the latest issue of a campaign. Use the GetLatestIssue as shown in the example below:

Figure 3: Get latest issue for campaign.

using System;
using Telerik.Sitefinity.Modules.Newsletters;
using Telerik.Sitefinity.Newsletters.Model;
namespace Telerik.Sitefinity.Documentation.CodeSnippets.DevGuide.SitefinityEssentials.Modules.EmailCampaigns
{
public partial class EmailCampaignsSnippets
{
public Campaign GetLatestIssue(Guid rootCampaignId)
{
NewslettersManager manager = NewslettersManager.GetManager();
var latestIssue = manager.GetLatestIssue(rootCampaignId);
return latestIssue;
}
}
}
view raw GetLatestIssue.cs hosted with ❤ by GitHub

NOTE: If no campaign with the specified ID exists, the GetIssues method throwsTelerik.Sitefinity.SitefinityExceptions.ItemNotFoundException exception.

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