DataColumn.AutoIncrementStep DataColumn.AutoIncrementStep DataColumn.AutoIncrementStep DataColumn.AutoIncrementStep Property

定義

取得或設定資料行所使用的遞增,這個資料行的 AutoIncrement 屬性設定為 trueGets or sets the increment used by a column with its AutoIncrement property set to true.

public:
 property long AutoIncrementStep { long get(); void set(long value); };
[System.Data.DataSysDescription("DataColumnAutoIncrementStepDescr")]
public long AutoIncrementStep { get; set; }
member this.AutoIncrementStep : int64 with get, set
Public Property AutoIncrementStep As Long

屬性值

自動遞增資料行值所根據的數字。The number by which the value of the column is automatically incremented. 預設為 1。The default is 1.

例外狀況

設定的值為零。The value set is zero.

範例

下列範例會設定AutoIncrementAutoIncrementSeedAutoIncrementStep屬性。The following example sets the AutoIncrement, AutoIncrementSeed, and AutoIncrementStep properties.

private void AddAutoIncrementColumn()
{
    DataColumn column = new DataColumn();
    column.DataType = System.Type.GetType("System.Int32");
    column.AutoIncrement = true;
    column.AutoIncrementSeed = 1000;
    column.AutoIncrementStep = 10;

    // Add the column to a new DataTable.
    DataTable table = new DataTable("table");
    table.Columns.Add(column);
}
Private Sub AddAutoIncrementColumn()
    Dim column As New DataColumn()
    column.DataType = System.Type.GetType("System.Int32")
    With column
        .AutoIncrement = True
        .AutoIncrementSeed = 1000
        .AutoIncrementStep = 10
    End With

    ' Add the column to a new DataTable.
    Dim table As DataTable
    table = New DataTable
    table.Columns.Add(column)
End Sub

適用於

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