public ManagementCredential GetManagementCredential(DataServiceQuery<ManagementCredential> managementCredentials, long id)
{
Contract.Requires(null != managementCredentials);
Contract.Requires(0 < id);
Contract.Ensures(null != Contract.Result<ManagementCredential>());
var result = managementCredentials
.Where(e => e.Id == id)
.FirstOrDefault();
return result;
}
public ManagementUri GetManagementUri(DataServiceQuery<ManagementUri> managementUris, string name)
{
Contract.Requires(null != managementUris);
Contract.Requires(!string.IsNullOrWhiteSpace(name));
Contract.Ensures(null != Contract.Result<ManagementUri>());
Contract.Ensures(Contract.Result<ManagementUri>().ManagementCredentialId.HasValue);
var result = managementUris
.Where(e => e.Name == name)
.FirstOrDefault();
return result;
}
/// <summary>
/// 在此页将要在 Frame 中显示时进行调用。
/// </summary>
/// <param name="e">描述如何访问此页的事件数据。Parameter
/// 属性通常用于配置页。</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
searchOptions = e.Parameter as List<string>;
loadingProgressRing.IsActive = true;
searchTitleKey = searchOptions[0].Trim();
if (searchOptions.Count == 4)
{
searchAuthorKey = searchOptions[1].Trim();
searchDescriptionKey = searchOptions[2].Trim();
searchCategoryKey = searchOptions[3];
}
else
{
searchAuthorKey = searchDescriptionKey = searchCategoryKey = "";
}
courseDsq = (DataServiceQuery<COURSE_AVAIL>)(from course_avail in ctx.COURSE_AVAIL
select course_avail);
if (!searchCategoryKey.Equals("Any Categories") && !searchCategoryKey.Equals(""))
{
courseDsq = (DataServiceQuery<COURSE_AVAIL>)courseDsq.Where(c => c.CATE_NAME.Equals(searchCategoryKey));
}
if (!searchTitleKey.Equals(""))
{
courseDsq = (DataServiceQuery<COURSE_AVAIL>)courseDsq.Where(c => c.TITLE.Contains(searchTitleKey));
}
if (!searchAuthorKey.Equals(""))
{
courseDsq = (DataServiceQuery<COURSE_AVAIL>)courseDsq.Where(c => c.TEACHER_NAME.Contains(searchAuthorKey));
}
if (!searchDescriptionKey.Equals(""))
{
courseDsq = (DataServiceQuery<COURSE_AVAIL>)courseDsq.Where(c => c.INTRO.Contains(searchDescriptionKey));
}
courseDsq.BeginExecute(OnSearchResultComplete, null);
UserProfileBt.DataContext = Constants.User;
}