如何转换List <keyvaluepair <string，decimal =“”>＆gt; list = new List <keyvaluepair <string，decimal =“”>＆gt;（）;到DataTable？</keyvaluepair <string，> </keyvaluepair <string，>

Question

我有一个清单

List<> list = new List<>();

我想将其转换为数据表。怎么可能？

Answer 1

以下是将任何列表对象转换为数据表的方法。

 public DataTable ConvertToDataTable<T>(IList<T> data)
    {
        PropertyDescriptorCollection properties =
           TypeDescriptor.GetProperties(typeof(T));
        DataTable table = new DataTable();
        foreach (PropertyDescriptor prop in properties)
            table.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
        foreach (T item in data)
        {
            DataRow row = table.NewRow();
            foreach (PropertyDescriptor prop in properties)
                row[prop.Name] = prop.GetValue(item) ?? DBNull.Value;
            table.Rows.Add(row);
        }
        return table;

    }

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