标签:des style blog http color os 使用 io ar
今天在项目中再次碰到了问题,就是Combobox中的值如果是直接绑定很简单。简单添加项就行了。代码如下:
<ext:ComboBox ID="ComBox_SecretsLevel" runat="server" FieldLabel="密级" Width="250" EmptyText="请选择密级..." >
<Items>
<ext:ListItem Text="公开" Value="1"/>
<ext:ListItem Text="保密" Value="2" />
<ext:ListItem Text="绝密" Value="3" />
</Items>
</ext:ComboBox>
<Items>
<ext:ListItem Text=
"公开" Value=
"1"/>
<ext:ListItem Text=
"保密" Value=
"2" />
<ext:ListItem Text=
"绝密" Value=
"3" />
</Items>
</ext:ComboBox>
但是要从数据库中获取绑定该如何操作呢?
找了下网上的质量好像挺少的,去官网找了些Combobox的例子。虽然不是写死在控件上,但是发现他也只不过是通过获取后台的数组,然后绑定数据来操作的,也没有真正的操作数据库。于是我通过尝试,结合了例子和实际,实现了绑定后台数据库的要求,这边与大家分享下。
这边数据库中的参数及值如图:
![bubuko.com,布布扣](data:image/png;base64,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)
![bubuko.com,布布扣](data:image/png;base64,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)
获取表中数据只要简单的sql查询语句,这边就不详细讲解了。
在页面中,首先是aspx页面的代码:
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="LR_FileReg.aspx.cs" Inherits="EasyCreate.DFMS.WebUI.LR_FileReg" %>
<%@ Register assembly="Ext.Net" namespace="Ext.Net" tagprefix="ext" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>绑定Combobox后台数据</title>
</head>
<body>
<form id="form1" runat="server">
<ext:ResourceManager ID="ResourceManager1" runat="server"/>
<ext:Store ID="Store_SecretsCom" runat="server">
<Reader>
<ext:JsonReader>
<Fields>
<ext:RecordField Name="SecretsLevelID" Type="Int"/>
<ext:RecordField Name="SecretsLevelName" Type="String" />
</Fields>
</ext:JsonReader>
</Reader>
</ext:Store>
<ext:ComboBox ID="ComBox_SecretsLevel" runat="server" FieldLabel="密级" Width="250" EmptyText="请选择密级..."
StoreID="Store_SecretsCom" ValueField="SecretsLevelID" DisplayField="SecretsLevelName">
</ext:ComboBox>
</form>
</body>
</html>
后台.cs文件代码:
H_FileLR h_file = new H_FileLR();//调用远程服务及方法,进行基本的数据库操作
protected void Page_Load(object sender, EventArgs e)
{
if (!X.IsAjaxRequest)
{
//首次加载时执行
DataSet ds_Com= h_file.SecretCom(); //返回的值是DataSet类型的数据
DataTable dt_Com = ds_Com.Tables[0]; //获取表中数据,Combobox一般的参数都是两个:Value传递的参数和Test显示的值
List<object> list = new List<object>(dt_Com.Rows.Count);
foreach (DataRow dr_Com in dt_Com.Rows) //遍历获取两个值
{
list.Add(new
{
SecretsLevelID =Int32.Parse( dr_Com["SecretsLevelID"].ToString()),
SecretsLevelName = dr_Com["SecretsLevelName"].ToString()
});
}
Store_SecretsCom.DataSource = list; //绑定数据
Store_SecretsCom.DataBind();
}
}
下面的截图是项目中的效果图,不是很好,请见谅:
![bubuko.com,布布扣](data:image/png;base64,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)
这样,简单的数据绑定就实现了,其实还是挺简单的吧。大家有什么好的方法和建议都记得给我留言哈。该博文为本人原创,转帖请注明出处,尊重著作权哈。
续文:
今天再次使用Comobox控件绑定数据库中值的时候,试着尝试了下新的方法,效果很好,与之前的方法简单了好多。下面就和大家介绍下,而且能举一反三。
if(!IsPostBack)
{
DataSet ds_Com = h_file.ComoboxBind();
DataTable dt_Secret = ds_Com.Tables[0]; //获取表中密级表中数据,Combobox一般的参数都是两个:Value传递的参数和Test显示的值
foreach (DataRow dr_Secret in dt_Secret.Rows) //遍历获取两个值
{
Ext.Net.ListItem Secretslist = new Ext.Net.ListItem(); //每次创建一个Ext.Net.ListItem的对象
Secretslist.Value = dr_Secret["SecretsLevelID"].ToString();
Secretslist.Text = dr_Secret["SecretsLevelName"].ToString();
ComBox_SecretsLevel.Items.Add(Secretslist);
}
}
分别遍历的把每行的值赋值给该对象的Text和Value属性。然后用Items.Add(Secretslist)的方法添加到List中即可。
用这种方法的好处太明显了,没有了上次说的Store的创建,也不用绑定ValueField和 DisplayField,简直一举多得啊!
其实,我们在写前台的值的时候,忽略了他的实质,细心的朋友可能会巧妙的发现。其实前台的每个控件在后台都能创建出来,属性也是能在后台重新赋值改变的。
if(!IsPostBack)
<Items>
<ext:ListItem Text="公开" Value="1"/>
<ext:ListItem Text="保密" Value="2" />
<ext:ListItem Text="绝密" Value="3" />
</Items>
</ext:ComboBox>
Ext.net中Combobox如何绑定数据库中的值
标签:des style blog http color os 使用 io ar
原文地址:http://www.cnblogs.com/wolfocme110/p/3947241.html