如何过滤数据表? [英] How I can filter a Datatable?
本文介绍了如何过滤数据表?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我使用带有用户信息的数据表,我想在此数据表中搜索用户或用户列表.我试过了,但它不起作用:(
I use a DataTable with Information about Users and I want search a user or a list of users in this DataTable. I try it butit don't work :(
这是我的 C# 代码:
Here is my c# code:
public DataTable GetEntriesBySearch(string username,string location,DataTable table)
{
list = null;
list = table;
string expression;
string sortOrder;
expression = "Nachname = 'test'";
sortOrder = "nachname DESC";
DataRow[] rows = list.Select(expression, sortOrder);
list = null; // for testing
list = new DataTable(); // for testing
foreach (DataRow row in rows)
{
list.ImportRow(row);
}
return list;
}
推荐答案
您可以使用 DataView.
You can use DataView.
DataView dv = new DataView(yourDatatable);
dv.RowFilter = "query"; // query example = "id = 10"
http://www.csharp-examples.net/dataview-rowfilter/
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