ProjectCompanyInfo companyinfo = new ProjectCompanyInfo();
DataTable dt=Helper.GetProjectCompnayInfo();
var Datas = (from t in dt.AsEnumerable()
select new ProjectCompanyInfo{ //这里报指定的转换无效错误
CompanyId = Convert.ToInt32(t.Field<int>("CompanyId")),
CompanyName = t.Field<string>("CompanyName"),
IndustryType = t.Field<string>("IndustryType"),
RepDate = t.Field<string>("RepDate"),
RegCapital = t.Field<string>("RegCapital"),
CompanyArea = t.Field<string>("CompanyArea"),
RelocationAddress = t.Field<string>("RelocationAddress"),
RegAdress = t.Field<string>("RegAdress"),
LinkMan = t.Field<string>("LinkMan"),
ContractPhone = t.Field<string>("ContractPhone"),
CompanyIntroduction = t.Field<string>("CompanyIntroduction"),
Year = t.Field<string>("Year"),
ApplyState = Convert.ToInt32(t.Field<int>("ApplyState")),
Nat_Org_Code = t.Field<string>("Nat_Org_Code")
}).ToList();