SelectExpression.ReplaceProjection 方法

定义

命名空间:

Microsoft.EntityFrameworkCore.Query.SqlExpressions

程序集:

Microsoft.EntityFrameworkCore.Relational.dll

包:

Microsoft.EntityFrameworkCore.Relational v9.0.0

重载

ReplaceProjection(IReadOnlyDictionary<ProjectionMember,Expression>)	将当前投影映射替换为新的投影映射，以更改从此 SelectExpression投影的内容。
ReplaceProjection(IReadOnlyList<Expression>)	将当前投影映射替换为新的投影映射，以更改从此 SelectExpression投影的内容。

ReplaceProjection(IReadOnlyDictionary<ProjectionMember,Expression>)

Source:

SelectExpression.cs

将当前投影映射替换为新的投影映射，以更改从此 SelectExpression投影的内容。

public void ReplaceProjection (System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Query.ProjectionMember,System.Linq.Expressions.Expression> projectionMapping);

member this.ReplaceProjection : System.Collections.Generic.IReadOnlyDictionary<Microsoft.EntityFrameworkCore.Query.ProjectionMember, System.Linq.Expressions.Expression> -> unit

Public Sub ReplaceProjection (projectionMapping As IReadOnlyDictionary(Of ProjectionMember, Expression))

参数

projectionMapping

IReadOnlyDictionary<ProjectionMember,Expression>

新的投影映射。

ReplaceProjection(IReadOnlyList<Expression>)

Source:

SelectExpression.cs

将当前投影映射替换为新的投影映射，以更改从此 SelectExpression投影的内容。

public void ReplaceProjection (System.Collections.Generic.IReadOnlyList<System.Linq.Expressions.Expression> clientProjections);

member this.ReplaceProjection : System.Collections.Generic.IReadOnlyList<System.Linq.Expressions.Expression> -> unit

Public Sub ReplaceProjection (clientProjections As IReadOnlyList(Of Expression))

参数

clientProjections

IReadOnlyList<Expression>

新的投影映射。