如何在asp.net中实现listbox item值上下移动?

Posted on 2006-09-23 00:11 hnboy 阅读(1401) 评论(1) 编辑收藏举报

全部.net为：

<form id="myform" runat="server">
2

<div>
3

<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" OldValuesParameterFormatString="original_{0}"
4

SelectMethod="GetDepartmentsAll" TypeName="Cvv.BLL.Bases.DepartmentBLL"></asp:ObjectDataSource>
5

<table border="0" width="300">
6

<tr>
7

<td colspan="4" align=center>
8

流程名称：<asp:TextBox ID="tbProcessName" runat="server"></asp:TextBox>
9

<asp:RequiredFieldValidator ID="rfvProcessName" runat="server" ErrorMessage="请输入" ControlToValidate="tbProcessName" Display="Dynamic">*</asp:RequiredFieldValidator>
10

<asp:RegularExpressionValidator ID="revProcessName" runat="server" ErrorMessage="请不要输入单引号和空白" ControlToValidate="tbProcessName" ValidationExpression="[^'\s]{1,50}" Display="Dynamic"></asp:RegularExpressionValidator>
11

</td>
12

</tr>
13

<tr>
14

<td width="40%">部门列表</td>
15

<td align="center" style="width: 20%">操作</td>
16

<td style="width: 40%">流程顺序</td>
17

<td style="width: 43px">调整</td>
18

</tr>
19

<tr>
20

<td style="width: 40%">
21

<asp:ListBox ID="ListBox1" runat="server" DataSourceID="ObjectDataSource1" DataTextField="DepartmentName"
22

DataValueField="DepartmentID" Height="411px" SelectionMode="Multiple" Width="235px">
23

</asp:ListBox></td>
24

<td align="center" style="width: 20%">
25

<asp:Button ID="Addbtn" runat="server" OnClick="Addbtn_Click" Text="添加" /><br><br>
26

<asp:Button ID="Deletebtn" runat="server" OnClick="Deletebtn_Click" Text="删除" /></td>
27

<td style="width: 40%">
28

<asp:ListBox ID="ListBox2" runat="server" Height="411px" SelectionMode="Multiple"
29

Width="235px"></asp:ListBox></td>
30

<td style="width: 43px">
31

<asp:Button ID="Upbtn" runat="server" OnClick="Upbtn_Click" Text="上移" /><br><br>
32

<asp:Button ID="Downbtn" runat="server" OnClick="Downbtn_Click" Text="下移" /></td>
33

</tr>
34

<tr>
35

<td colspan="4" align=center>
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<asp:Button ID="precessadd" runat="server" Text="确认并提交" OnClick="precessadd_Click" /></td>
37

</tr>
38

</table>
39

<input id="ListBox1_Click" type="hidden" value="false" name="ListBox1_Click" runat="server">
40

<input id="ListBox2_Click" type="hidden" value="false" name="ListBox2_Click" runat="server">
41

option explicit
43

sub ListBox1_ondblclick()
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myform.ListBox1_Click.value="true"
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myform.submit()
46

end sub
47

sub ListBox2_ondblclick()
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myform.ListBox2_Click.value="true"
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myform.submit()
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end sub
52

</script>
53

</div>
54

</form>

后台代码：

protected void Page_Load(object sender, EventArgs e)
2

{
3

if (IsPostBack)
4

{
5

if (ListBox1_Click.Value == "true")
6

{
7

Addbtn_Click(sender,e);
8

}
9

if (ListBox2_Click.Value == "true")
12

{
13

Deletebtn_Click(sender,e);
14

}
15

}
16

}
17

protected void precessadd_Click(object sender, EventArgs e)
18

{
19

if (IsValid)
20

{
21

//写入流程名称
22

//声明实体类
23

Cvv.Mode.Bases.Process _process = new Cvv.Mode.Bases.Process();
24

//从表单中取值初始化实体类
26

_process.ProcessName = tbProcessName.Text;
27

//声明业务对象
29

Cvv.BLL.Bases.ProcessBLL _processBLL = new Cvv.BLL.Bases.ProcessBLL();
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if (_processBLL.InsertProcess(_process) > 0) //操作成功
31

{
32

}
34

else //操作失败
35

{
36

Response.Write("<script>alert('很抱歉，添加失败！');location.href ='" + Request.ServerVariables["HTTP_REFERER"] + "';</Script>");
37

Response.End();
38

}
39

//写入流程过程
41

//声明实体类.声明业务对象
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Cvv.Mode.Bases.ProcessDetailed _processDetailed = new Cvv.Mode.Bases.ProcessDetailed();
43

Cvv.BLL.Bases.ProcessDetailedBLL _processDetailedBLL = new Cvv.BLL.Bases.ProcessDetailedBLL();
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//从表单中取值初始化实体类,并循环写入
46

for (int i = 0; i < ListBox2.Items.Count; i++)
47

{
48

_processDetailed.ProcessID = _process.ProcessID;
49

_processDetailed.DepartmentID = new Guid(ListBox2.Items[i].Value);
50

_processDetailed.ProcessOrder = i + 1;
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//写入
52

_processDetailedBLL.InsertProcessDetailed(_processDetailed);
53

}
55

Response.Write("<script>alert('祝贺您，添加成功，请继续操作！');location.href ='" + Request.ServerVariables["HTTP_REFERER"] + "';</Script>");
56

}
57

}
58

//添加
60

protected void Addbtn_Click(object sender, EventArgs e)
61

{
62

int i = 0;
63

while (i < ListBox1.Items.Count)
64

{
65

if (ListBox1.Items[i].Selected == true)
66

{
67

ListBox2.Items.Add(ListBox1.Items[i]);
68

ListBox1.Items.Remove(ListBox1.Items[i]);
69

}
70

else
71

i += 1;
72

}
73

}
74

//删除
75

protected void Deletebtn_Click(object sender, EventArgs e)
76

{
77

int i = 0;
78

while (i < ListBox2.Items.Count)
79

{
80

if (ListBox2.Items[i].Selected == true)
81

{
82

ListBox1.Items.Add(ListBox2.Items[i]);
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ListBox2.Items.Remove(ListBox2.Items[i]);
84

}
85

else
86

i += 1;
87

}
88

}
89

//上移
90

protected void Upbtn_Click(object sender, EventArgs e)
91

{
92

//若不是第一行则上移
93

if (ListBox2.SelectedIndex > 0)
94

{
95

string name = ListBox2.SelectedItem.Text;
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string ID = ListBox2.SelectedItem.Value;
97

int index = ListBox2.SelectedIndex;
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ListBox2.SelectedItem.Text = ListBox2.Items[index - 1].Text;
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ListBox2.SelectedItem.Value = ListBox2.Items[index - 1].Value;
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ListBox2.Items[index - 1].Text = name;
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ListBox2.Items[index - 1].Value = ID;
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ListBox2.SelectedIndex--;
103

}
104

}
105

//下移
106

protected void Downbtn_Click(object sender, EventArgs e)
107

{
108

//若不是最后一行则下移
109

if (ListBox2.SelectedIndex >= 0 && ListBox2.SelectedIndex < ListBox2.Items.Count - 1)
110

{
111

string name = ListBox2.SelectedItem.Text;
112

string ID = ListBox2.SelectedItem.Value;
113

int index = ListBox2.SelectedIndex;
114

ListBox2.SelectedItem.Text = ListBox2.Items[index + 1].Text;
115

ListBox2.SelectedItem.Value = ListBox2.Items[index + 1].Value;
116

ListBox2.Items[index + 1].Text = name;
117

ListBox2.Items[index + 1].Value = ID;
118

ListBox2.SelectedIndex++;
119

}
120

}

在.net中使用obojectdata为:

<form id="myform" runat="server">
2

<div>
3

<table border="0" width="300">
4

<tr>
5

<td width="40%">
6

<asp:ObjectDataSource ID="ObjectDataSource1" runat="server" OldValuesParameterFormatString="original_{0}"
7

SelectMethod="GetDepartmentsAll" TypeName="Cvv.BLL.Bases.DepartmentBLL"></asp:ObjectDataSource>
8

<asp:ListBox ID="list1" runat="server" DataSourceID="ObjectDataSource1" DataTextField="DepartmentName"
9

DataValueField="DepartmentID" Height="411px" Width="235px" ondblclick="moveOption(document.myform.list1,document.myform.list2)"></asp:ListBox>
10

</td>
11

<td width="20%" align="center">
12

<input type="button" value="添加" onclick="moveOption(document.myform.list1,document.myform.list2)"><br><br>
13

<input type="button" value="删除" onclick="moveOption(document.myform.list2,document.myform.list1)">
14

</td>
15

<td width="40%">
16

<asp:ListBox ID="list2" runat="server" ondblclick="moveOption(document.myform.list2,document.myform.list1)" Height="411px" Width="235px"></asp:ListBox>
17

</td>
18

<td>
19

<button onclick="changepos(list2,-1)" type="button">上移</button><br>
20

<button onclick="changepos(list2,1)" type="button">下移</button>
21

</td>
22

</tr>
23

</table>
24

<!--
26

function moveOption(e1, e2){
27

try{
28

for(var i=0;i<e1.options.length;i++){
29

if(e1.options[i].selected){
30

var e = e1.options[i];
31

e2.options.add(new Option(e.text, e.value));
32

e1.remove(i);
33

i=i-1
34

}
35

}
36

//document.myform.city.value=getvalue(document.myform.list2);
37

}
38

catch(e){}
39

}
40

function getvalue(geto){
41

var allvalue = "";
42

for(var i=0;i<geto.options.length;i++){
43

allvalue +=geto.options[i].value + ",";
44

}
45

return allvalue;
46

}
47

function changepos(obj,index)
48

{
49

if(index==-1){
50

if (obj.selectedIndex>0){
51

obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex-1))
52

}
53

}
54

else if(index==1){
55

if (obj.selectedIndex<obj.options.length-1){
56

obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex+1))
57

}
58

}
59

}
60

//-->
61

</script>
62

</div>
63

</form>

下面是通用的:

<form id="myform" runat="server">
2

<div>
3

<table border="0" width="300">
4

<tr>
5

<td width="40%">
6

<select style="WIDTH:100%" multiple name="list1" size="12" ondblclick="moveOption(document.myform.list1, document.myform.list2)">
7

<option value="北京">北京</option>
8

<option value="上海">上海</option>
9

<option value="山东">山东</option>
10

<option value="安徽">安徽</option>
11

<option value="重庆">重庆</option>
12

<option value="福建">福建</option>
13

<option value="甘肃">甘肃</option>
14

<option value="广东">广东</option>
15

<option value="广西">广西</option>
16

<option value="贵州">贵州</option>
17

<option value="海南">海南</option>
18

<option value="河北">河北</option>
19

<option value="黑龙江">黑龙江</option>
20

<option value="河南">河南</option>
21

<option value="湖北">湖北</option>
22

<option value="湖南">湖南</option>
23

<option value="内蒙古">内蒙古</option>
24

<option value="江苏">江苏</option>
25

<option value="江西">江西</option>
26

<option value="吉林">吉林</option>
27

<option value="辽宁">辽宁</option>
28

<option value="宁夏">宁夏</option>
29

<option value="青海">青海</option>
30

<option value="山西">山西</option>
31

<option value="陕西">陕西</option>
32

<option value="四川">四川</option>
33

<option value="天津">天津</option>
34

<option value="西藏">西藏</option>
35

<option value="新疆">新疆</option>
36

<option value="云南">云南</option>
37

<option value="浙江">浙江</option>
38

<option value="香港">香港</option>
39

<option value="澳门">澳门</option>
40

<option value="台湾">台湾</option>
41

<option value="其他">其他</option>
42

</select>
43

</td>
44

<td width="20%" align="center">
45

<input type="button" value="添加" onclick="moveOption(document.myform.list1, document.myform.list2)"><br><br>
46

<input type="button" value="删除" onclick="moveOption(document.myform.list2, document.myform.list1)">
47

</td>
48

<td width="40%">
49

<select style="WIDTH:100%" multiple name="list2" size="12" ondblclick="moveOption(document.myform.list2, document.myform.list1)">
50

</select>
51

</td>
52

<td>
53

<button onclick="changepos(list2,-1)" type="button">上移</button><br>
54

<button onclick="changepos(list2,1)" type="button">下移</button>
55

</td>
56

</tr>
57

</table>
58

值：<input type="text" name="city" size="40">
59

<!--
61

function moveOption(e1, e2){
62

try{
63

for(var i=0;i<e1.options.length;i++){
64

if(e1.options[i].selected){
65

var e = e1.options[i];
66

e2.options.add(new Option(e.text, e.value));
67

e1.remove(i);
68

i=i-1
69

}
70

}
71

document.myform.city.value=getvalue(document.myform.list2);
72

}
73

catch(e){}
74

}
75

function getvalue(geto){
76

var allvalue = "";
77

for(var i=0;i<geto.options.length;i++){
78

allvalue +=geto.options[i].value + ",";
79

}
80

return allvalue;
81

}
82

function changepos(obj,index)
83

{
84

if(index==-1){
85

if (obj.selectedIndex>0){
86

obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex-1))
87

}
88

}
89

else if(index==1){
90

if (obj.selectedIndex<obj.options.length-1){
91

obj.options(obj.selectedIndex).swapNode(obj.options(obj.selectedIndex+1))
92

}
93

}
94

}
95

//-->
96

</script>
97

</div>
98

</form>

选定一项或多项然后点击添加或移除(按住shift或ctrl可以多选)，或在选择项上双击进行添加和移除。

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如何在asp.net中实现listbox item值上下移动?