我有以下類別: public class Student
{
public string StudentID { get; set; }
public string StudentName { get; set; }
}
public class Marks
{
public string StudentID { get; set; }
public
我有以下SQL查詢(這是一個轉置查詢來獲取逗號分隔的表) SELECT CAST ((SELECT taxonomy_id + ','
FROM content
FOR XML PATH('')) AS bigint) AS NewTaxonomytableName
但我正在逐漸Error converting data type varchar to bi
我怎樣才能獲得TSQL查詢的換位UNION結果下 SELECT TOP 1 Column_A FROM table1
SELECT TOP 1 Column_B FROM table2
SELECT TOP 1 Column_C FROM table3
這樣的輸出將是一排3列,每次使用一個值: [Column_A] [Column_B] [Column_C]
我有以下情形 List<Class> Classes = new List<Class>();
Class c1 = new Class() { ClassID = 1, Name = "Class1", Abbreviation = "CLS1" }; Classes.Add(c1);
Class c2 = new Class() { ClassID = 2, Name = "Class2"