Explain about ExecuteScalar() in ADO.NET.
Explain about ExecuteScalar() in ADO.NET.
题目类型: 技术面试题
这是一道技术面试题,常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, ado-net, topic-specific, ado.net, .net
参考答案摘要
A single value from the first row and first column of the ResultSet will be returned by ExecuteScalar() method on query execution. If the ResultSet is having multiple rows or columns, all those rows a...
本题提供 STAR 原则详细解答和技术解析,登录匠人学院学习中心即可查看完整答案。