……指定对象不在字典中报错解决-创新互联
报错：指定对象不在字典中解决方案：
创新互联专注于企业网络营销推广、网站重做改版、五指山网站定制设计、自适应品牌网站建设、H5高端网站建设、商城网站开发、集团公司官网建设、外贸网站建设、高端网站制作、响应式网页设计等建站业务，价格优惠性价比高，为五指山等各大城市提供网站开发制作服务。Creator = ( creatorDic.ContainsKey(d.Creator.Value) && d.Creator != null) ? creatorDic[d.Creator.Value] : "",
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public void GetList(MLevel model)
{
if (string.IsNullOrEmpty(model.SArg.Title))
{
model.SArg.Title = string.Empty;
}
if (model.Key == Guid.Empty)
{
model.SchoolId = TypeKit.ToGuid(YK.School.Core.Context.SchoolId, Guid.Empty);
}
else
{
model.SchoolId = model.Key;
}
var dbSchool = DbContext.SchoolUnitOfWorkCreate();
var dbPlatform = DbContext.PlatformWorkCreate();
try
{
var query = dbSchool.Query().Where(t => t.SchoolId == model.SchoolId);
if (!string.IsNullOrEmpty(model.SArg.Title))
{
query = query.Where(t => t.LName.Contains(model.SArg.Title));
}
model.PArg.RowsCount = query.Count();
query = query.OrderByDescending(d => d.LNo).Skip(model.PArg.FirstRowIndex).Take(model.PArg.PageSize);
var levelList = query.ToList();
var lIdList = levelList.Select(d => d.Id);
List creatorIds = levelList.Where(l => l.Creator != null).Select(l => l.Creator).Distinct().ToList();
var creatorDic = dbPlatform.Query().Where(a => creatorIds.Contains(a.Id)).ToDictionary(a => a.Id, a => a.RealName);
var cList = dbSchool.Query().Where(c => c.SchoolId == model.SchoolId && c.Sc_LevelId != null && lIdList.Contains(c.Sc_LevelId ?? Guid.Empty));
model.levellist = levelList.Select(d => new MLevel.Level
{
Key = d.Id,
State = cList.Count(c => c.Sc_LevelId == d.Id) > 0 ? ("已引用") : ("未引用"),
Value = d.LName,
Creator = ( creatorDic.ContainsKey(d.Creator.Value) && d.Creator != null) ? creatorDic[d.Creator.Value] : "",
CreateType = d.CreateType == 1 ? ("管理员创建") : (d.CreateType == 2 ? ("班主任创建班级时自定义") : (d.CreateType == 3 ? ("华网导入") : ("无数据"))),
CreateOn = d.CreatedOn.ToString()
}).Where(d=>d.Value.Contains(model.SArg.Title)) .ToList();
}
finally
{
dbSchool.Dispose();
dbPlatform.Dispose();
}
} 
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