SPAlertCollection.Delete Method (Int32)

Deletes the alert at the specified index in the collection.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online

Syntax

'Declaration
Public Sub Delete ( _
    index As Integer _
)
'Usage
Dim instance As SPAlertCollection
Dim index As Integer

instance.Delete(index)

public void Delete(
    int index
)

Parameters

• index
  Type: System.Int32

  The index of the alert.

Exceptions

Remarks

This method deletes the specified alert from the database.

Examples

The following code example deletes all the alerts in a site for the specified user.

Dim site As SPWeb = SPControl.GetContextWeb(Context)
Dim users As SPUserCollection = site.Users
Dim user As SPUser

For Each user In  users

    If user.LoginName = TextBox1.Text Then

        Dim alerts As SPAlertCollection = user.Alerts
        Dim i As Integer

        For i = alerts.Count - 1 To 0 Step -1

            alerts.Delete(i)

        Next i

    End If

Next user 

SPWeb oWebsite = SPContext.Current.Web;
SPUserCollection collUsers = oWebsite.Users;
foreach (SPUser oUser in collUsers)
{
    if (oUser.LoginName == TextBox1.Text)
    {
        SPAlertCollection collAlerts = oUser.Alerts;

        for (int i = collAlerts.Count - 1; i > -1; i--)
        {
            collAlerts.Delete(i);
        }
    }
}

See Also

Reference

SPAlertCollection Class

SPAlertCollection Members

Delete Overload

Microsoft.SharePoint Namespace