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c#如何更改 DataTable 列的顺序

德州spark 2023-11-29 阅读 43

dataTable.Columns["Qty"].SetOrdinal(0); 
dataTable.Columns["Unit"].SetOrdinal(1);

扩展方法:

public static class DataTableExtensions 
{ 
    public static void SetColumnsOrder(this DataTable table, params String[] columnNames) 
    { 
        int columnIndex = 0; 
        foreach(var columnName in columnNames) 
        { 
            table.Columns[columnName].SetOrdinal(columnIndex); 
            columnIndex++; 
        } 
    } 
}

用法:

table.SetColumnsOrder("Qty", "Unit", "Id");

table.SetColumnsOrder(new string[]{"Qty", "Unit", "Id"});

 

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