1. Error message: JavaScript runtime error: '$' is undefined

Solution: index.cshtml 这个页面
insert into

常山ssl适用于网站、小程序/APP、API接口等需要进行数据传输应用场景，ssl证书未来市场广阔！成为创新互联公司的ssl证书销售渠道，可以享受市场价格4-6折优惠！如果有意向欢迎电话联系或者加微信：13518219792（备注：SSL证书合作）期待与您的合作！

2. Error Message: when debug/run a solution, it pop up the ‘unable to launch the IIS Express Web server. Output from IIS Express Port ‘11159’ is in use ’.

Solution: delete the file in //c$/document/IISExpress. Try to debug/run the solution again.

3. Error message: when try to debug/run a solution for the first time, it pop up the error message ‘could not find a part of the path ‘E:\website\PRC Tools WebProject**.WebSite\bin\roslyn\csc.exe’. ‘

Solution: rebuild the solution, then try to debug/run the solution again.
reference: http://www.ridilabs.net/post/2018/11/02/Could-not-find-a-part-of-the-path-rosyln-cscexe.aspx#.XVoBPeQUlMs

4. Inconsistent accessibility: parameter type ‘MailTask’ is less accessible than method ‘’

   Solution: project Model class prefix add a keyword Public

5. Sequence contains no elements
   advise:
   When you get the LINQ error "Sequence contains no elements", this is usually because you are using the First() or Single() command rather than FirstOrDefault() and SingleOrDefault().
   Solution:
   Change Single() to SingleOrDefault()

6. Index was out of range. Must be non-negative and less than the size of the collection.
   Parameter name: index

7. Error: Cannot bind to the new display member. Parameter name: newDisplayMember.

original: cbxpmn. valueMember = dt.rows[0]["Menu_Name"].tostring();
cbxpmn.DisplayMember = dt.Rows[0]["Menu_Name"].tostring();

Update: cbxpmn.ValueMember = "Menu_Name";
cbxpmn.DisplayMember = "Menu_Name";

另外有需要云服务器可以了解下创新互联scvps.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。

本文名称：VisualStudioErrorMessageSummary-创新互联
文章来源：http://njwzjz.com/article/dophgg.html