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【转】GridView 加载空行并点击编辑每一个单元格

2024-07-03 17:57:12   224人阅读

 

 1 代码
 2 
 3 <script runat="server">
 4   protectedvoid Button1_Click(object sender, System.EventArgs e)
 5   {
 6     GridView1.DataSource = GetData();
 7     GridView1.DataBind();
 8   }
 9 
10   protectedvoid Button2_Click(object sender, System.EventArgs e)
11   {
12     string s = String.Empty;
13     for (int i =0; i <5; i++)
14     {
15       for (int j =0; j <5; j++)
16       {
17         s = s +"<li>第 "+ i.ToString() +" 行第 "+ j.ToString() +" 列的值是："+ Request.Form["txt"+ i.ToString() +"_"+ j.ToString()];
18       }
19     }
20     ret.Text = s;
21     // 以下代码只是为了实现在表格里面保留原来的值，如果不需要则可以删除。 
22     GridView1.DataSource = GetData();
23     GridView1.DataBind();
24   }
25 
26   protectedvoid GridView1_RowDataBound(object sender, System.Web.UI.WebControls.GridViewRowEventArgs e)
27   {
28     if (e.Row.RowType == DataControlRowType.DataRow)
29     {
30       System.Data.DataRowView dv = (System.Data.DataRowView)e.Row.DataItem;
31       for (int i =0; i < e.Row.Cells.Count; i++)
32       {
33         e.Row.Cells[i].Attributes.Add("onclick", "showEdit("+ e.Row.RowIndex.ToString() +","+ i.ToString() +")");
34         e.Row.Cells[i].Text ="<input onblur=‘lostfocus(this)‘ name=‘txt"+ e.Row.RowIndex.ToString() +"_"+ i.ToString() +"‘ readonly=‘readonly‘ class=‘noborder‘ value=http://www.mamicode.com/‘"+ dv[i].ToString() +"‘/>";
35       }
36     }
37   }
38 
39   private System.Data.DataTable GetData()
40   {
41     System.Data.DataTable dt =new System.Data.DataTable();
42     for (int i =0; i <5; i++)
43     {
44       dt.Columns.Add(new System.Data.DataColumn("", typeof(System.String)));
45     }
46     
47     for (int i =0; i <5; i++)
48     {
49       dt.Rows.Add(dt.NewRow());
50       for (int j =0; j <5; j++)
51       {
52         dt.Rows[i][j] = Request.Form["txt"+ i.ToString() +"_"+ j.ToString()];
53       }
54     }
55     return dt;
56   } 
57 
58 </script>
59 
60 <html xmlns="http://www.w3.org/1999/xhtml">
61 <head id="Head1" runat="server">
62   <title></title>
63   <style type="text/css">
64     .noborder{border-width: 0px;margin:2px;}
65     .hasborder{border-width: 2px;}
66   </style>
67 
68   <script type="text/javascript">
69     function showEdit(r, c) {
70       document.forms[0].elements["txt"+ r +"_"+ c].readOnly =false;
71       document.forms[0].elements["txt"+ r +"_"+ c].className =‘hasborder‘;
72       document.forms[0].elements["txt"+ r +"_"+ c].select();
73     }
74     function lostfocus(o) {
75       o.className =‘noborder‘
76       o.readOnly =true;
77     }
78   </script>
79 
80 </head>
81 <body>
82   <form id="form1" runat="server">
83   <asp:GridView ID="GridView1" runat="server" ShowHeader="false" OnRowDataBound="GridView1_RowDataBound">
84   </asp:GridView>
85   <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="加载表格"/>
86   <asp:Button ID="Button2" runat="server" Text="保存数据" OnClick="Button2_Click"/>
87   <asp:Label ID="ret" runat="server"></asp:Label>
88   </form>
89 </body>
90 </html>
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