ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE, INSERT, etc.). 0 Oct, 2012 5 ExecuteScalar--ExecuteScalar returns only one value after execution of the query . it returns
In this blog, I will explain the ExecuteReader, ExecuteNonQuery, and Executescalar in ADO.Net. ExecuteNonQuery ExecuteNonQuery method is used to execute SQL Command or the stored procedure performs INSERT, UPDATE, or Delete operations. It doesn't return any data from the database. Instead, it re...
C.ExecuteScalar()D.ExecuteNonQuery() 相关知识点: 试题来源: 解析 B A.Cancel():正确。SqlCommand的方法,用于取消命令的执行。 B.ExecuteRead():错误。正确的方法应为ExecuteReader(),命名错误,因此该方法不存在。 C.ExecuteScalar():正确。用于执行返回单个值的查询。 D.ExecuteNonQuery():正确。用于执行不...
在ADO.NET中,Command对象用于执行Sql命令,如果需要得到多行多列的查询结果,则需要使用该对象的_方法。A.Execute()B.ExecuteNonQuery()C.ExecuteReader()D.ExecuteScalar()搜索 题目 在ADO.NET中,Command对象用于执行Sql命令,如果需要得到多行多列的查询结果,则需要使用该对象的_方法。 A.Execute()B.ExecuteNonQuery(...
ExecuteNonQuery requires an open and available Connection. ExecuteNonQuery requires an open and available Connection. The connection's current state is closed. IIS ExecuteReader: Connection property has not been initialized ExecuteScalar Throwing Timeout Expired message. Executing .vbs Script thru Web Page...
向数据源插入一条记录,需要将命令对象的CommandText属性设置为SQL语言的insert命令后,再调用命令对象的()方法。 A、ExecuteNonQuery B、ExecuteReader C、ExecuteScalar D、ExecuteXmlScalar
ExecuteNonQuery Method Namespace:System.Data.SqlClient Return DataType: System.Int32 (number of rows affected) Use :You can use theExecuteNonQueryto perform catalog operations by executing UPDATE, INSERT, or DELETE statements. For UPDATE, INSERT, and DELETE statements, the return value is the numbe...
百度试题 结果1 题目:从数据库读取记录,你可能用到的方法有() A. ExecuteNonQuery B. ExecuteScalar C. Fill D. ExecuteReader 相关知识点: 试题来源: 解析 B,C,D 反馈 收藏
百度试题 题目下列( ) A. ExecuteNonQuery B. ExecuteReader C. ExecuteScalar D. xecuteNonQuery B、ExecuteReader C、ExecuteScalar D、ExecuteRowColumn 相关知识点: 试题来源: 解析 C.ExecuteScalar 反馈 收藏
What is Difference between ExecuteNonQuery, ExecuteScalar and ExecuteReader.Reply Answers (3) .NET's built-in Object-Relational Mapping (ORM) vs 3rd party ORM tools. DataViewManager in ADO.Net About Us Contact Us Privacy Policy Terms Media Kit Sitemap Report a Bug FAQ Partners C# Tutoria...