語言

ObjectChangeConflict.Resolve 方法

定義

解決成員間的衝突。

多載

名稱 Description
Resolve()

透過保留現有值並重設基線原始值以符合較新的資料庫值來解決成員衝突。

Resolve(RefreshMode)

透過指定的 RefreshMode。

Resolve(RefreshMode, Boolean)

解決成員衝突時,保留現有值並重置基線原始值。

Resolve()

透過保留現有值並重設基線原始值以符合較新的資料庫值來解決成員衝突。

public:
 void Resolve();
public void Resolve();
member this.Resolve : unit -> unit
Public Sub Resolve ()

適用於

Resolve(RefreshMode)

透過指定的 RefreshMode。

public:
 void Resolve(System::Data::Linq::RefreshMode refreshMode);
public void Resolve(System.Data.Linq.RefreshMode refreshMode);
member this.Resolve : System.Data.Linq.RefreshMode -> unit
Public Sub Resolve (refreshMode As RefreshMode)

參數

refreshMode
RefreshMode

從 RefreshMode中取得的適當選項。

範例

以下範例會用資料庫中的值覆蓋當前值。

Northwnd db = new Northwnd("...");
try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        // All database values overwrite current values.
        occ.Resolve(RefreshMode.OverwriteCurrentValues);
    }
}
Dim db As New Northwnd("...")

Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' All database values overwrite current values.
        occ.Resolve(Data.Linq.RefreshMode.OverwriteCurrentValues)
    Next

End Try

以下範例展示了如何將原始值與從資料庫取得的值交換。 目前的數值不會被修改。

try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        //No database values are merged into current.
        occ.Resolve(RefreshMode.KeepCurrentValues);
    }
}
Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' No database values are merged into current.
        occ.Resolve(Data.Linq.RefreshMode.KeepCurrentValues)
    Next

End Try

以下範例保留已更改的當前值,但以資料庫值更新其他值。

try
{
    db.SubmitChanges(ConflictMode.ContinueOnConflict);
}

catch (ChangeConflictException e)
{
    Console.WriteLine(e.Message);
    // Automerge database values for members that client
    // has not modified.
    foreach (ObjectChangeConflict occ in db.ChangeConflicts)
    {
        occ.Resolve(RefreshMode.KeepChanges);
    }
}

// Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict);
Try
    db.SubmitChanges(ConflictMode.ContinueOnConflict)

Catch ex As ChangeConflictException
    Console.WriteLine(ex.Message)

    For Each occ As ObjectChangeConflict In db.ChangeConflicts
        ' Automerge database values into current for members
        ' that client has not modified.
        occ.Resolve(Data.Linq.RefreshMode.KeepChanges)
    Next

End Try

' Submit succeeds on second try.
db.SubmitChanges(ConflictMode.FailOnFirstConflict)

備註

以下範例展示了使用各種值所 RefreshMode產生的結果。

適用於

Resolve(RefreshMode, Boolean)

解決成員衝突時,保留現有值並重置基線原始值。

public:
 void Resolve(System::Data::Linq::RefreshMode refreshMode, bool autoResolveDeletes);
public void Resolve(System.Data.Linq.RefreshMode refreshMode, bool autoResolveDeletes);
member this.Resolve : System.Data.Linq.RefreshMode * bool -> unit
Public Sub Resolve (refreshMode As RefreshMode, autoResolveDeletes As Boolean)

參數

refreshMode
RefreshMode

從 RefreshMode中取得的適當選項。

autoResolveDeletes
Boolean

當 true時,會自動解決因已不在資料庫中修改的物件所產生的衝突。

適用於