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sunkaixuan
2017-05-23 07:51:01 +08:00
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@@ -111,3 +111,13 @@ var s3 = db.Queryable<Student>().Select(it => new { newid = it.Id }).ToList();
var s4 = db.Queryable<Student>().Select(it => new { newid = it.Id, obj = it }).ToList(); var s4 = db.Queryable<Student>().Select(it => new { newid = it.Id, obj = it }).ToList();
var s5 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Student = it, Name = it.Name }).ToList(); var s5 = db.Queryable<Student>().Select(it => new ViewModelStudent2 { Student = it, Name = it.Name }).ToList();
``` ```
### 1.7 Sql Join Sql
```c
var join3 = db.Queryable("Student", "st")
.AddJoinInfo("School", "sh", "sh.id=st.schoolid")
.Where("st.id>@id")
.AddParameters(new { id = 1 })
.Select("st.*").ToList();
//SELECT st.* FROM [Student] st Left JOIN School sh ON sh.id=st.schoolid WHERE st.id>@id
```