用户控件ComboBox
页面文件ComboBox.ascx
1
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="ComboBox.ascx.cs" Inherits="ComboBox.ComboBox" TargetSchema="http://schemas.microsoft.com/intellisense/ie5" %>
2<div id="123" style="Z-INDEX: 1; LEFT: 0px; MARGIN: 0px; POSITION: relative; TOP: 0px">
3 <div id="selDiv" style="Z-INDEX: 2; LEFT: 1px; MARGIN: 0px; CLIP: rect(0px 110px 80px 92px); POSITION: absolute; TOP: 1px">
4 <asp:dropdownlist id="DDLTitle" runat="server" Width="110">
5 <asp:ListItem Value="1">111111</asp:ListItem>
6 <asp:ListItem Value="2">22222222222</asp:ListItem>
7 <asp:ListItem Value="3">3333333333333</asp:ListItem>
8 <asp:ListItem Value="4">4444444444444444444</asp:ListItem>
9 <asp:ListItem Value="5">55555555555555</asp:ListItem>
10 <asp:ListItem Value="6">6666666666666</asp:ListItem>
11 <asp:ListItem Value="7">777777777777777</asp:ListItem>
12 </asp:dropdownlist>
13 </div>
14 <div id="selDiv1" style=" Z-INDEX: 3;LEFT: 0px;MARGIN: 0px;POSITION: absolute">
15 <asp:textbox id="txtTitle" runat="server" Font-Size="10" Width="111" maxLength="50" EnableViewState="False"
16 Height="22"></asp:textbox>
17 </div>
18 <FONT face="宋体" style="FONT-SIZE:22px">123</FONT>
19</div>
20<script>
21function addTxtTanto(va,ID)
22
{
23
document.all(ID+":txtTitle").value=va;
24 document.all(ID+":txtTitle").focus();
25
}
26
27
28function checktitle(ID)
29{
30 var drp = document.all(ID+":DDLTitle");
31 var t=document.all(ID+":txtTitle");
32 var j=0;
33 if(t.value=="")
34
{
35
}
36 else
37 {
38 for(var i=0;i<drp.length;i++)
39 {
40 if(t.value==drp.options(i).text)
41 {
42 drp.value=drp.options(i).value;
43 break;
44 }
45 else
46 {
47 j=j+1;
48 }
49 }
50 if(j==drp.length)
51 {
52 t.value="";
53 t.select();
54 }
55 }
56}
57
58function KeyDown(ID)
59{
60 var t=document.all(ID+":txtTitle");
61 var drp = document.all(ID+":DDLTitle");
62 var str=t.value;
63 var len=str.length;
64 if(t.value!="")
65 {
66 var i;
67 for(i=0;i<drp.length;i++)
68 {
69 var s=drp.options(i).text;
70 s=s.substr(0,len);
71 s=s.toLowerCase();
72 if(str==s)
73 {
74 drp.options(i).selected = true;
75 document.all(ID+":txtTitle").value=drp.options(i).text;
76 var r=document.all(ID+":txtTitle").createTextRange();
77 r.moveEnd('character',0);
78 r.moveStart('character',len);
79 r.select();
80 break;
81 }
82 }
83 if(i==drp.length)//没找到
84 {
85 // t.value="";
86 //t.select();
87 }
88
89 }
90}
91</script>
92
93
后代码
1namespace ComboBox
2{
3 using System;
4 using System.Data;
5 using System.Drawing;
6 using System.Web;
7 using System.Web.UI.WebControls;
8 using System.Web.UI.HtmlControls;
9
10 /**//// <summary>
11 /// 公司名称：
12 /// 模 块 名： ComboBox
13 /// 创 建 人： 版 本：1.0.0.0 日期：2005-03-07
14 /// 功能描述： 带索引的组合筐
15 /// 其他说明：
16 /// 修改记录：
17 /// </summary>
18 public class ComboBox : System.Web.UI.UserControl
19 {
20 protected System.Web.UI.WebControls.DropDownList DDLTitle;
21 protected System.Web.UI.WebControls.TextBox txtTitle;
22
23 private bool enabled=false;
24
25 private void Page_Load(object sender, System.EventArgs e)
26 {
27 txtTitle.Attributes.Add("onblur","javascript:checktitle('"+this.ID+"');");
28 txtTitle.Attributes.Add("onkeyup","KeyDown('"+this.ID+"')");
29 DDLTitle.Attributes.Add("Onchange", "addTxtTanto(this.options[this.selectedIndex].innerText,'"+this.ID+"')");
30 }
31
32 //DataSource#region //DataSource
33 public object DataSource
34 {
35 get
36 {
37 return DDLTitle.DataSource;
38 }
39 set
40 {
41 DDLTitle.DataSource=value;
42 }
43 }
44 #endregion
45 //DataTextField#region //DataTextField
46 public string DataTextField
47 {
48 get
49 {
50 return DDLTitle.DataTextField;
51 }
52 set
53 {
54 DDLTitle.DataTextField = value;
55 }
56 }
57 #endregion
58
59 //CssClass#region//CssClass
60 public string CssClass
61 {
62 get
63 {
64 return DDLTitle.CssClass;
65 }
66 set
67 {
68 DDLTitle.CssClass = value;
69 txtTitle.CssClass = value;
70 }
71 }
72 #endregion
73 //AccessKey#region//AccessKey
74 public string AccessKey
75 {
76 get
77 {
78 return DDLTitle.AccessKey;
79 }
80 set
81 {
82 DDLTitle.AccessKey=value;
83 }
84 }
85
86 #endregion
87
88
89 //DataMember#region//DataMember
90 public string DataMember
91 {
92 get
93 {
94 return DDLTitle.DataMember;
95 }
96 set
97 {
98 DDLTitle.DataMember=value;
99 }
100 }
101 #endregion
102 //DataTextFormatString#region//DataTextFormatString
103 public string DataTextFormatString
104 {
105 get
106 {
107 return DDLTitle.DataTextFormatString;
108 }
109 set
110 {
111 DDLTitle.DataTextFormatString=value;
112 }
113 }
114 #endregion
115 //DataValueField#region//DataValueField
116 public string DataValueField
117 {
118 get
119 {
120 return DDLTitle.DataValueField;
121 }
122 set
123 {
124 DDLTitle.DataValueField=value;
125 }
126 }
127 #endregion
128
129 //value#region//value
130 public string Text
131 {
132 get
133 {
134 return txtTitle.Text;
135 }
136 set
137 {
138 txtTitle.Text = value;
139 }
140 }
141 #endregion
142
143 //value#region//value
144 public string SelectValue
145 {
146 get
147 {
148 return DDLTitle.SelectedValue;
149 }
150 set
151 {
152 DDLTitle.SelectedValue = value;
153 }
154 }
155 #endregion
156
157 //Enabled#region//Enabled
158 public bool Enabled
159 {
160 get
161 {
162 return enabled;
163 }
164 set
165 {
166 enabled=value;
167 DDLTitle.Enabled=this.enabled;
168 txtTitle.Enabled=this.enabled;
169 }
170 }
171 #endregion
172
173
174
175 Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码
176 override protected void OnInit(EventArgs e)
177 {
178 //
179 // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
180 //
181 InitializeComponent();
182 base.OnInit(e);
183 }
184
185 /**//// <summary>
186 /// 设计器支持所需的方法 - 不要使用代码编辑器
187 /// 修改此方法的内容。
188 /// </summary>
189 private void InitializeComponent()
190 {
191 this.EnableViewState = false;
192 this.Load += new System.EventHandler(this.Page_Load);
193
194 }
195 #endregion
196 }
197}
198
我改的^_^
1
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="ComboBox.ascx.cs" Inherits="ComboBox.ComboBox" TargetSchema="http://schemas.microsoft.com/intellisense/ie5" %>2
<div id="123" style="Z-INDEX: 1; LEFT: 0px; MARGIN: 0px; POSITION: relative; TOP: 0px">3
<div id="selDiv" style="Z-INDEX: 2; LEFT: 1px; MARGIN: 0px; CLIP: rect(0px 110px 80px 92px); POSITION: absolute; TOP: 1px">4
<asp:dropdownlist id="DDLTitle" runat="server" Width="110">5
<asp:ListItem Value="1">111111</asp:ListItem>6
<asp:ListItem Value="2">22222222222</asp:ListItem>7
<asp:ListItem Value="3">3333333333333</asp:ListItem>8
<asp:ListItem Value="4">4444444444444444444</asp:ListItem>9
<asp:ListItem Value="5">55555555555555</asp:ListItem>10
<asp:ListItem Value="6">6666666666666</asp:ListItem>11
<asp:ListItem Value="7">777777777777777</asp:ListItem>12
</asp:dropdownlist>13
</div>14
<div id="selDiv1" style=" Z-INDEX: 3;LEFT: 0px;MARGIN: 0px;POSITION: absolute">15
<asp:textbox id="txtTitle" runat="server" Font-Size="10" Width="111" maxLength="50" EnableViewState="False"16
Height="22"></asp:textbox>17
</div>18
<FONT face="宋体" style="FONT-SIZE:22px">123</FONT>19
</div>20
<script>21
function addTxtTanto(va,ID)22
{ 23
document.all(ID+":txtTitle").value=va;24
document.all(ID+":txtTitle").focus();25
} 26
27
28
function checktitle(ID)29
{ 30
var drp = document.all(ID+":DDLTitle"); 31
var t=document.all(ID+":txtTitle"); 32
var j=0; 33
if(t.value=="")34
{ 35
}36
else37
{ 38
for(var i=0;i<drp.length;i++)39
{ 40
if(t.value==drp.options(i).text)41
{ 42
drp.value=drp.options(i).value; 43
break; 44
}45
else46
{ 47
j=j+1; 48
} 49
} 50
if(j==drp.length)51
{ 52
t.value=""; 53
t.select(); 54
} 55
} 56
}57
58
function KeyDown(ID)59
{60
var t=document.all(ID+":txtTitle");61
var drp = document.all(ID+":DDLTitle"); 62
var str=t.value;63
var len=str.length;64
if(t.value!="")65
{ 66
var i;67
for(i=0;i<drp.length;i++)68
{ 69
var s=drp.options(i).text; 70
s=s.substr(0,len);71
s=s.toLowerCase();72
if(str==s)73
{ 74
drp.options(i).selected = true;75
document.all(ID+":txtTitle").value=drp.options(i).text;76
var r=document.all(ID+":txtTitle").createTextRange();77
r.moveEnd('character',0); 78
r.moveStart('character',len); 79
r.select();80
break;81
}82
}83
if(i==drp.length)//没找到84
{ 85
// t.value=""; 86
//t.select(); 87
} 88
89
} 90
}91
</script>92
93
后代码
1
namespace ComboBox2
{3
using System;4
using System.Data;5
using System.Drawing;6
using System.Web;7
using System.Web.UI.WebControls;8
using System.Web.UI.HtmlControls;9
10
/**//// <summary>11
/// 公司名称： 12
/// 模 块 名： ComboBox13
/// 创 建 人： 版 本：1.0.0.0 日期：2005-03-0714
/// 功能描述： 带索引的组合筐15
/// 其他说明：16
/// 修改记录：17
/// </summary>18
public class ComboBox : System.Web.UI.UserControl19
{20
protected System.Web.UI.WebControls.DropDownList DDLTitle;21
protected System.Web.UI.WebControls.TextBox txtTitle;22
23
private bool enabled=false;24
25
private void Page_Load(object sender, System.EventArgs e)26
{27
txtTitle.Attributes.Add("onblur","javascript:checktitle('"+this.ID+"');");28
txtTitle.Attributes.Add("onkeyup","KeyDown('"+this.ID+"')");29
DDLTitle.Attributes.Add("Onchange", "addTxtTanto(this.options[this.selectedIndex].innerText,'"+this.ID+"')"); 30
}31
32
//DataSource#region //DataSource33
public object DataSource34
{35
get36
{37
return DDLTitle.DataSource;38
}39
set40
{41
DDLTitle.DataSource=value;42
}43
}44
#endregion45
//DataTextField#region //DataTextField46
public string DataTextField47
{48
get49
{50
return DDLTitle.DataTextField;51
}52
set53
{54
DDLTitle.DataTextField = value;55
}56
}57
#endregion58
59
//CssClass#region//CssClass60
public string CssClass61
{62
get63
{64
return DDLTitle.CssClass;65
}66
set67
{68
DDLTitle.CssClass = value;69
txtTitle.CssClass = value;70
}71
}72
#endregion73
//AccessKey#region//AccessKey74
public string AccessKey75
{76
get77
{78
return DDLTitle.AccessKey;79
}80
set81
{82
DDLTitle.AccessKey=value;83
}84
}85
86
#endregion87
88
89
//DataMember#region//DataMember90
public string DataMember91
{92
get93
{94
return DDLTitle.DataMember;95
}96
set97
{98
DDLTitle.DataMember=value;99
}100
}101
#endregion102
//DataTextFormatString#region//DataTextFormatString103
public string DataTextFormatString104
{105
get106
{107
return DDLTitle.DataTextFormatString;108
}109
set110
{111
DDLTitle.DataTextFormatString=value;112
}113
}114
#endregion115
//DataValueField#region//DataValueField116
public string DataValueField117
{118
get119
{120
return DDLTitle.DataValueField;121
}122
set123
{124
DDLTitle.DataValueField=value;125
}126
}127
#endregion128
129
//value#region//value130
public string Text131
{132
get133
{134
return txtTitle.Text;135
}136
set137
{138
txtTitle.Text = value;139
}140
}141
#endregion142
143
//value#region//value144
public string SelectValue145
{146
get147
{148
return DDLTitle.SelectedValue;149
}150
set151
{152
DDLTitle.SelectedValue = value;153
}154
}155
#endregion156
157
//Enabled#region//Enabled158
public bool Enabled159
{160
get161
{162
return enabled;163
}164
set165
{166
enabled=value;167
DDLTitle.Enabled=this.enabled;168
txtTitle.Enabled=this.enabled;169
}170
}171
#endregion172
173
174
175
Web 窗体设计器生成的代码#region Web 窗体设计器生成的代码176
override protected void OnInit(EventArgs e)177
{178
//179
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。180
//181
InitializeComponent();182
base.OnInit(e);183
}184
185
/**//// <summary>186
/// 设计器支持所需的方法 - 不要使用代码编辑器187
/// 修改此方法的内容。188
/// </summary>189
private void InitializeComponent()190
{191
this.EnableViewState = false;192
this.Load += new System.EventHandler(this.Page_Load);193
194
}195
#endregion196
}197
}198
我改的^_^
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