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@ -135,38 +135,23 @@ var t9 = db.Updateable(updateObj).Where(it => it.Id == 1).ExecuteCommand();
## 3. Insertable
We use it to Insert
```cs
var insertObj = new Student() { Name = "jack", CreateTime = Convert.ToDateTime("2010-1-1") ,SchoolId=1};
//Insert reutrn Insert Count
var t2 = db.Insertable(insertObj).ExecuteCommand();
//Insert reutrn Identity Value
var t3 = db.Insertable(insertObj).ExecuteReutrnIdentity();
//Only insert Name
var t4 = db.Insertable(insertObj).InsertColumns(it => new { it.Name,it.SchoolId }).ExecuteReutrnIdentity();
//Ignore TestId
var t5 = db.Insertable(insertObj).IgnoreColumns(it => new { it.Name, it.TestId }).ExecuteReutrnIdentity();
//Ignore TestId
var t6 = db.Insertable(insertObj).IgnoreColumns(it => it == "Name" || it == "TestId").ExecuteReutrnIdentity();
//Use Lock
var t8 = db.Insertable(insertObj).With(SqlWith.UpdLock).ExecuteCommand();
var insertObj2 = new Student() { Name = null, CreateTime = Convert.ToDateTime("2010-1-1") };
var t9 = db.Insertable(insertObj2).Where(true/* Is insert null */, true/*off identity*/).ExecuteCommand();
//Insert List<T>
var s9 = db.Insertable(insertObjs).InsertColumns(it => new { it.Name }).ExecuteCommand();
```
[<font color=red>View more >> </font>](https://github.com/sunkaixuan/SqlSugar/wiki/3.Insertable)
## 4. Deleteable
We use it to Delete