SQL Server Precompiled Execution Sqls

Source: Internet
Author: User

Problem Description:

The MVC5 project, which obtains the data by executing SQL, but has an error when using precompiled execution, the field Xxxwhich is not supplied.

In fact, this parameter is passed a null result. Make a decision before passing the parameter, and if NULL, assign the value to an empty string.

if (stringstring. Empty;}

String sql = "Select A.id,a.username,a.truename,isnull (B.otm, ' 0 ') as Flag from Sysuser a LEFT join Fix_matchingmodel B on CAST (a.id as varchar) = B.otm and b.id = @matchingId Where a.depid = @DepId ORDER BY b.otm Desc ";
Sqlparameter[] SqlParameters = {New SqlParameter {parametername = "Matchingid", Value = Matchingid}, new SqlParameter { ParameterName = "Depid", Value = Depid}};
Dbcontexts DbContext = new Dbcontexts ();
return dbcontext.database.sqlquery<userview> (SQL, sqlparameters). ToList ();

SQL Server Precompiled Execution Sqls

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.