请教:如何将自定义数据绑定到DataGrid 为什么不直接绑定一个dataset,而要绑定table呢 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 DataGrid、DataList、Reapter可以使用ArrayList、Hashtable等做数据源:http://blog.csdn.net/acewang/archive/2004/08/03/59627.aspx 上面的例子在表达得清楚一些:class Item{ int a; int b;}class Row{ ArrayList m_Item = new ArrayList(); // 放置Item对象}class Table{ ArrayList m_Item = new ArrayList(); // 放置Row对象}我想将Table绑定到DataGrid(Windows)上,使DataGrid的每行显示一个Row对象,每项显示Item对象的a值。要怎么实现呢? <%@ Page Language="C#" %><%@ import Namespace="System.Collections" %><script runat="server">void Page_Load(Object sender, EventArgs e) {if(!Page.IsPostBack){ArrayList data = new ArrayList();data.Add(new Person("Tom",33,true));data.Add(new Person("Jhon",39,false));data.Add(new Person("Mark",20,false));data.Add(new Person("Linda",27,true));MyDataGrid.DataSource = data;MyDataGrid.DataBind();}}void GetValues_Click(Object sender, EventArgs e) {String Result = "";foreach(DataGridItem dataGridItem in MyDataGrid.Items){//Get name from cell[0]String Name = dataGridItem.Cells[0].Text;//Get text from textbox in cell[1]String Age = ((TextBox)dataGridItem.FindControl("AgeField")).Text;//Get Checked property of Checkbox controlbool IsGraduate = ((CheckBox)dataGridItem.FindControl("IsGraduateField")).Checked;// get Values from CheckboxlistString Skills = "";foreach(ListItem item in ((CheckBoxList)dataGridItem.FindControl("CheckBoxList1")).Items){if (item.Selected){Skills += item.Value + ",";}}Skills = Skills.TrimEnd(',');//Get RadioButtonList Selected textString Experience = ((RadioButtonList)dataGridItem.FindControl("RadioButtonList1")).SelectedItem.Text;//Get DropDownList Selected textString Degree = ((DropDownList)dataGridItem.FindControl("DropDownList1")).SelectedItem.Text;// Build String to show result.Result += Name;Result += " [Age -" + Age + "] ";if (IsGraduate){Result += "Is Graduate , ";}else{Result += "Is not Graduate , ";}Result += "Has Skills[" + Skills + "] , ";Result += "Has " + Experience + " Experience , And " ;Result += "Has " + Degree + " Degree." ;Result += "<br>";}ResultField.Text = Result;}class Person{String _Name;int _Age;bool _IsGraduate;public Person(String name,int age, bool isGraduate){_Name = name;_Age = age;_IsGraduate = isGraduate;}public String Name{get{return _Name;}}public int Age{get{return _Age;}}public bool IsGraduate{get{return _IsGraduate;}}}</script><html><head></head><body><form runat="server"><asp:DataGrid id="MyDataGrid" runat="server" AutoGenerateColumns="False"><ItemStyle verticalalign="Top"></ItemStyle><Columns><asp:BoundColumn DataField="Name" HeaderText="Name"></asp:BoundColumn><asp:TemplateColumn HeaderText="Age"><ItemTemplate><asp:TextBox id="AgeField" Columns="5" Text='<%# DataBinder.Eval(Container.DataItem,"Age") %>' runat="server"></asp:TextBox></ItemTemplate></asp:TemplateColumn><asp:TemplateColumn HeaderText="Graduate"><ItemTemplate><asp:CheckBox id="IsGraduateField" Checked='<%# (bool)DataBinder.Eval(Container.DataItem,"IsGraduate") %>' runat="server"></asp:CheckBox></ItemTemplate></asp:TemplateColumn><asp:TemplateColumn HeaderText="Skills"><ItemTemplate><asp:CheckBoxList id="CheckBoxList1" runat="server" ><asp:ListItem Value="C#" Selected="true">C#</asp:ListItem><asp:ListItem Value="C++">C++</asp:ListItem><asp:ListItem Value="VB">VB</asp:ListItem><asp:ListItem Value="SQL Server" Selected="true">SQL Server</asp:ListItem></asp:CheckBoxList></ItemTemplate></asp:TemplateColumn><asp:TemplateColumn HeaderText="Experience"><ItemTemplate><asp:RadioButtonList id="RadioButtonList1" runat="server" ><asp:ListItem Value="1" Selected="true">Less then 1 Year</asp:ListItem><asp:ListItem Value="3">Less then 3 Year</asp:ListItem><asp:ListItem Value="5">Less then 5 Year</asp:ListItem><asp:ListItem Value="10">Less then 10 Year</asp:ListItem></asp:RadioButtonList></ItemTemplate></asp:TemplateColumn><asp:TemplateColumn HeaderText="Degree"><ItemTemplate><asp:DropDownList id="DropDownList1" runat="server" ><asp:ListItem Value="HighSchool" >HighSchool</asp:ListItem><asp:ListItem Value="Graduate" Selected="true">Graduate</asp:ListItem><asp:ListItem Value="Masters">Masters</asp:ListItem><asp:ListItem Value="PHD">PHD</asp:ListItem></asp:DropDownList></ItemTemplate></asp:TemplateColumn></Columns></asp:DataGrid><br /><asp:Button id="GetValues" onclick="GetValues_Click" runat="server" Text="GetValues"></asp:Button><br /><asp:Label id="ResultField" runat="server"></asp:Label></form></body></HTML> 当把数组.list等用作datagrid的数据源时,datagrid会查找该对象的第一个公有属性,并显示该属性,而不会显示数组的内容。解决的办法时将对象做一个包装类 两个SQL语句怎么合并嗯??? 急求帮助:null转空值 C#读取二进制文件放到内存中 请问如何学好数据结构?谢谢! nhibernate如何查询表名并获取表里面的字段 紧急呼救,用正则表达式,如何替换<img src="……">中的src地址? 如何将 文件D:\temp\001\1.xml 拷贝到 e:\myData\001\1.xml (需要同步创建e:\myData\001) DataSet 与 DataReader 的区别! C# FTP服务器端的问题 窗体的问题 请教:Hashtable的foreach的顺序和Add的顺序是不一致的吗?怎样使用他们同步呢? 如何实现CRC自检验?
http://blog.csdn.net/acewang/archive/2004/08/03/59627.aspx
{
int a;
int b;
}
class Row
{
ArrayList m_Item = new ArrayList(); // 放置Item对象
}class Table
{
ArrayList m_Item = new ArrayList(); // 放置Row对象
}我想将Table绑定到DataGrid(Windows)上,使DataGrid的每行显示一个Row对象,每项显示Item对象的a值。要怎么实现呢?
<%@ import Namespace="System.Collections" %>
<script runat="server">void Page_Load(Object sender, EventArgs e) {if(!Page.IsPostBack){
ArrayList data = new ArrayList();
data.Add(new Person("Tom",33,true));
data.Add(new Person("Jhon",39,false));
data.Add(new Person("Mark",20,false));
data.Add(new Person("Linda",27,true));MyDataGrid.DataSource = data;
MyDataGrid.DataBind();
}}
void GetValues_Click(Object sender, EventArgs e) {
String Result = "";
foreach(DataGridItem dataGridItem in MyDataGrid.Items){
//Get name from cell[0]
String Name = dataGridItem.Cells[0].Text;
//Get text from textbox in cell[1]
String Age = ((TextBox)dataGridItem.FindControl("AgeField")).Text;
//Get Checked property of Checkbox control
bool IsGraduate = ((CheckBox)dataGridItem.FindControl("IsGraduateField")).Checked;// get Values from Checkboxlist
String Skills = "";
foreach(ListItem item in ((CheckBoxList)dataGridItem.FindControl("CheckBoxList1")).Items){
if (item.Selected){
Skills += item.Value + ",";
}
}
Skills = Skills.TrimEnd(',');//Get RadioButtonList Selected text
String Experience = ((RadioButtonList)dataGridItem.FindControl("RadioButtonList1")).SelectedItem.Text;//Get DropDownList Selected text
String Degree = ((DropDownList)dataGridItem.FindControl("DropDownList1")).SelectedItem.Text;// Build String to show result.
Result += Name;
Result += " [Age -" + Age + "] ";if (IsGraduate){
Result += "Is Graduate , ";
}else{
Result += "Is not Graduate , ";
}Result += "Has Skills[" + Skills + "] , ";Result += "Has " + Experience + " Experience , And " ;Result += "Has " + Degree + " Degree." ;Result += "<br>";
}
ResultField.Text = Result;
}
class Person{
String _Name;
int _Age;
bool _IsGraduate;
public Person(String name,int age, bool isGraduate){
_Name = name;
_Age = age;
_IsGraduate = isGraduate;
}
public String Name{
get{return _Name;}
}
public int Age{
get{return _Age;}
}
public bool IsGraduate{
get{return _IsGraduate;}
}
}</script>
<html>
<head>
</head>
<body>
<form runat="server">
<asp:DataGrid id="MyDataGrid" runat="server" AutoGenerateColumns="False">
<ItemStyle verticalalign="Top"></ItemStyle>
<Columns>
<asp:BoundColumn DataField="Name" HeaderText="Name"></asp:BoundColumn>
<asp:TemplateColumn HeaderText="Age">
<ItemTemplate>
<asp:TextBox id="AgeField" Columns="5" Text='<%# DataBinder.Eval(Container.DataItem,"Age") %>'
runat="server"></asp:TextBox>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Graduate">
<ItemTemplate>
<asp:CheckBox id="IsGraduateField" Checked='<%# (bool)DataBinder.Eval(Container.DataItem,"IsGraduate") %>'
runat="server"></asp:CheckBox>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Skills">
<ItemTemplate>
<asp:CheckBoxList id="CheckBoxList1" runat="server" >
<asp:ListItem Value="C#" Selected="true">C#</asp:ListItem>
<asp:ListItem Value="C++">C++</asp:ListItem>
<asp:ListItem Value="VB">VB</asp:ListItem>
<asp:ListItem Value="SQL Server" Selected="true">SQL Server</asp:ListItem>
</asp:CheckBoxList>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Experience">
<ItemTemplate>
<asp:RadioButtonList id="RadioButtonList1" runat="server" >
<asp:ListItem Value="1" Selected="true">Less then 1 Year</asp:ListItem>
<asp:ListItem Value="3">Less then 3 Year</asp:ListItem>
<asp:ListItem Value="5">Less then 5 Year</asp:ListItem>
<asp:ListItem Value="10">Less then 10 Year</asp:ListItem>
</asp:RadioButtonList>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn HeaderText="Degree">
<ItemTemplate>
<asp:DropDownList id="DropDownList1" runat="server" >
<asp:ListItem Value="HighSchool" >HighSchool</asp:ListItem>
<asp:ListItem Value="Graduate" Selected="true">Graduate</asp:ListItem>
<asp:ListItem Value="Masters">Masters</asp:ListItem>
<asp:ListItem Value="PHD">PHD</asp:ListItem>
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
<br />
<asp:Button id="GetValues" onclick="GetValues_Click" runat="server" Text="GetValues"></asp:Button>
<br />
<asp:Label id="ResultField" runat="server"></asp:Label>
</form>
</body>
</HTML>