遍历datatable的几种方法（C# ）

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1. 遍历datatable的方法2009-09-08 10:02方法一：     
2. DataTable dt = dataSet.Tables[0];     
3. for(int i = 0 ; i < dt.Rows.Count ; i++)     
4. {     
5.    string strName = dt.Rows[i]["字段名"].ToString();     
6. }     
7.       
8. 方法二：     
9. foreach(DataRow myRow in myDataSet.Tables["temp"].Rows)     
10. {     
11.       var str = myRow[0].ToString();     
12. }     
13.       
14. 方法三：     
15. foeach(DataRow dr in dt.Rows)        
16. {        
17.      object value = dr["ColumnsName"];        
18. }     
19.       
20. 方法四：     
21. DataTable dt=new DataTable();        
22. foreach(DataRow dr in dt.Rows)        
23. {      
24.    for(int i=0;i<dt.Columns.Count;i++)      
25.    {      
26. dr[i];      
27.    }        
28. }     
29.       
30. 绑定DataTable到Reapter。     
31. if (dtb_xx.Rows.Count > 0)     
32.         {     
33.             rp_xx.DataSource = dtb_xx;     
34.             rp_xx.DataBind();     
35.         }      
36. <asp:Repeater ID="rp_xx" runat="server">     
37.        <ItemTemplate>     
38.             <tr>     
39.                   <td>     
40.                       <div>     
41.                             <ul class="ListHorizontally">     
42.                                  <li>     
43.                                       <div class="TCell1">     
44.                                             <%#Eval("ID")%>     
45.                                        </div>     
46.                                   </li>     
47.                                   <li>     
48.                                        <div class="TCell2">     
49.                                              <%#Eval("Name")%>     
50.                                         </div>     
51.                                   </li>     
52.                             </ul>     
53.                        </div>     
54.                     </td>     
55.                 </tr>     
56.             </ItemTemplate>     
57.          </asp:Repeater>     
58. 方法五  
59. DataRow[] dataRows = null;  
60. dataRows = dataTable.Select(fieldParentID + "='" + treeNode.Tag.ToString() + "'", dataTable.DefaultView.Sort);  
61. foreach (DataRow dataRow in dataRows)  
62. {   
63.     
64.      DataRow dataRow = dataTable.Rows[i];   
65.     
66.      ?? = dataRow[fieldParentID].ToString();  
67. }