我从另一个数据表获取值作为列表的输入。现在,我需要将这些列表值保存到另一个DataTable中。
清单:
List<DataRow> list = slectedFieldsTable.AsEnumerable().ToList();
foreach (DataRow dr in slectedFieldsTable.Rows)
{
list.Add(dr);
}
新数据表:
DataRow newRow = tempTable.NewRow();
newRow["Field Name"] = fieldLabel;
newRow["Field Type"] = fieldType;
for(int gg =0 ; gg<list.Count; gg++)
{
tempTable.Rows.Add(????);
}
我被困在将行添加到新数据表中的过程中。
最佳答案
public static DataTable ToDataTable<T>(List<T> items)
{
DataTable dataTable = new DataTable(typeof(T).Name);
//Get all the properties
PropertyInfo[] Props = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
foreach (PropertyInfo prop in Props)
{
//Setting column names as Property names
dataTable.Columns.Add(prop.Name);
}
foreach (T item in items)
{
var values = new object[Props.Length];
for (int i = 0; i < Props.Length; i++)
{
//inserting property values to datatable rows
values[i] = Props[i].GetValue(item, null);
}
dataTable.Rows.Add(values);
}
//put a breakpoint here and check datatable
return dataTable;
}