[Android.Runtime.Register("executeQuery", "(Ljava/lang/String;)Ljava/sql/ResultSet;", "GetExecuteQuery_Ljava_lang_String_Handler:Java.Sql.IStatementInvoker, Mono.Android, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null")] public Java.Sql.IResultSet? ExecuteQuery (string? sql); 參數 sql...
在EFCore中执行Sql语句的方法为:FromSql与ExecuteSqlCommand;在EF6中的为SqlQuery与ExecuteSqlCommand,而FromSql和SqlQuery有很大区别,FromSql返回值为IQueryable,因此为延迟加载的,可以与Linq扩展方法配合使用,但是有不少的坑(EFCore版本为1.1.0),直接执行Sql语句的建议不要使用FromSql,但是EFCore中并没有提供SqlQuery...
如果IsQueryStoredProcedure 设置为 True,则为uspGetBillOfMaterials 若要使用输出参数,则语法要求在每个参数标记后跟 OUTPUT 关键字。 例如,以下 output 参数语法是正确的:EXEC myStoredProcedure ? OUTPUT。 有关在 Transact-SQL 存储过程中使用输入和输出参数的详细信息,请参阅EXECUTE (Transact-SQL)。
2.ExecuteSqlCommand,执行Sql操作处理 QLLB_SWXContext _Context = new QLLB_SWXContext(); //执行数据操作sql,返回受影响的行数 string sql = "update Sys_Role set SortValue=1 ;"; int count = _Context.Database.ExecuteSqlCommand(sql); Console.WriteLine(count); 3.自定义SqlQuery,执行列表查询,在上...
ExecuteScalarAsync ExecuteXmlReader ExecuteXmlReaderAsync Prepare ResetCommandTimeout Events Explicit Interface Implementations SqlCommandBuilder SqlConnection SqlConnectionStringBuilder SqlCredential SqlDataAdapter SqlDataReader SqlDependency SqlError SqlErrorCollection ...
(); // 编写SQL查询语句 String sql = "SELECT * FROM users"; // 执行查询语句 rs = stmt.executeQuery(sql); // 处理查询结果 while (rs.next()) { int id = rs.getInt("id"); String name = rs.getString("name"); String email = rs.getString("email"); System.out.println("ID: "...
stmt . execute(query stringwithinunknown results); while(true){ 0 int RowCount = stmt . GetupdateCount(); If (rowCount > 0) {//这也是升级记数。 System.out.println("个数已变更= " 记数"); stmt . getmoresults(); 再次; } If (rowCount == 0) {// DDL指令或0升级。
Before you call EXECUTE with a character string, validate the character string. Never execute a command constructed from user input that has not been validated. For more information, seeSQL Injection. Arguments @return\_status Is an optional integer variable that stores the return status of a mod...
Executes a command string or character string within a Transact-SQL batch, or one of the following modules: system stored procedure, user-defined stored procedure, CLR stored procedure, scalar-valued user-defined function, or extended stored procedure. The EXEC or EXECUTE statement can be used to...
Before you call EXECUTE with a character string, validate the character string. Never execute a command constructed from user input that has not been validated. For more information, seeSQL Injection. Arguments @return\_status Is an optional integer variable that stores the return status of a mod...