问答 2020-06-23 来自:开发者社区

vs c# 连接mysql open报错,版本无法加载 ?报错

大神们,我想问问VS 用c#连接mysql时。代码到Open()就报错了。我检查一下,连接的数据库名字,id,pw等信息都是对的。为什么提示说找不到版本呢?

问答 2020-06-20 来自:开发者社区

C#连接数据库代码问题?报错

private void btnLogin_Click(object sender, EventArgs e) { userName = txtUserName.Text; userPwd = txtUserPwd.Text; MySqlConnection conn = new MySqlConnectio...

问答 2020-06-09 来自:开发者社区

mono c#连接windows sqlserver 936异常?报错

代码: System.Data.SqlClient.SqlConnection conn = new System.Data.SqlClient.SqlConnection("server=192.168.8.25;database=testa;uid=testuser;pwd=test123456"); conn.Open(); 在CentOS 7.0下使用mono部署运行提...

本页面内关键词为智能算法引擎基于机器学习所生成,如有任何问题,可在页面下方点击"联系我们"与我们沟通。

产品推荐

{"cardStyle":"productCardStyle","productCode":"aliyun","productCardInfo":{"productTitle":"云效DevOps解决方案:极速构建自动化CI/CD,降本增效稳交付","productDescription":"在快速变化的市场中,软件的快速迭代和稳定交付成为企业竞争的关键。本方案介绍如何使用阿里云的产品快速构建持续集成与部署流程。通过自动化构建、测试和部署流程,提高交付速度和质量,使开发团队更好地响应市场变化和用户需求,推动业务持续增长。","productContentLink":"https://www.aliyun.com/solution/tech-solution/swiftly-building-an-effective-ci-cd-pipeline","isDisplayProductIcon":true,"productButton1":{"productButtonText":"方案详情","productButtonLink":"https://www.aliyun.com/solution/tech-solution/swiftly-building-an-effective-ci-cd-pipeline"},"productButton2":{"productButtonText":"方案部署","productButtonLink":"https://help.aliyun.com/document_detail/2861142.html"},"productButton3":{"productButtonText":"查看更多技术解决方案","productButtonLink":"https://www.aliyun.com/solution/tech-solution/"},"productPromotionInfoBlock":[{"$id":"0","productPromotionGroupingTitle":"解决方案推荐","productPromotionInfoFirstText":"云架构必修课:云上高可用架构","productPromotionInfoFirstLink":"https://www.aliyun.com/solution/tech-solution/hablog","productPromotionInfoSecondText":"灵活调度,高效编排,容器化管理云上应用","productPromotionInfoSecondLink":"https://www.aliyun.com/solution/tech-solution/ack-services"}],"isOfficialLogo":false},"activityCardInfo":{"activityTitle":"","activityDescription":"","cardContentBackgroundMode":"LightMode","activityContentBackgroundImageLink":"","activityCardBottomInfoSelect":"activityPromotionInfoBlock"}}