protected void lbDelete_Click(object sender, EventArgs e)
{
ImageButton linkButton = new ImageButton();
linkButton = (ImageButton)sender;
bool result = RelationshipManager.DeleteRelationship(Convert.ToInt32(linkButton.CommandArgument));
RelationshipManager.LoadRelationshipPage(gvRelationship, rptPager, 1, ddlPageSize);
}
/// <summary>
/// Löscht die Freundschaftsbeziehung zwischen 2 Benutzern
/// </summary>
/// <param name="relationship">
/// Freunschaftsbeziehungsobjekt zwischen den 2 Benutzern
/// </param>
public void DeleteRelationship(String relationship)
{
DataContractJsonSerializer json = new DataContractJsonSerializer(typeof(Relationship));
ASCIIEncoding ascciEndcoding = new ASCIIEncoding();
MemoryStream ms = new MemoryStream(ascciEndcoding.GetBytes(relationship));
Relationship relationshipToDelete = (Relationship)json.ReadObject(ms);
ms.Close();
RelationshipManager.DeleteRelationship(relationshipToDelete);
}