ASP.Net/Data Binding/DataGrid

Материал из .Net Framework эксперт
Версия от 11:52, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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Bind ArrayList to asp datagrid (C#)

<%@Page Language="C#"%>
<html>
<body>
<asp:datagrid  id="dgrTest" runat="server"
               forecolor="#000000"
               backcolor="#ffffff"
               cellpadding="3"
               gridlines="none"
               width="50%"
               font-name="tahoma,arial,sans-serif"
               font-size="14px">
  <headerstyle forecolor="#ffffff"
               backcolor="#808080"
               font-name="tahoma,arial,sans-serif"
               font-size="12px"
               font-bold="true"
               wrap="false" />
  <itemstyle   font-name="tahoma,arial,sans-serif"
               font-size="10px" />
  <alternatingitemstyle font-name="tahoma,arial,sans-serif"
               font-size="16px"
               backcolor="#ffff00" />
</asp:datagrid>
</body>
</html>
<script Language="C#" runat="server">
void Page_Load() {
   // create an ArrayList of values to bind to
   ArrayList arrValues = new ArrayList(4);
   arrValues.Add("A");
   arrValues.Add("B");
   arrValues.Add("C");
   arrValues.Add("D");
   arrValues.Add("E");
   // set the DataSource property of the control to the
   // array and bind it to display the values
   dgrTest.DataSource = arrValues;
   dgrTest.DataBind();
}
</script>



Bind data to asp:datagrid (VB.net)

<%@ Page Language="vb" %>
<%@ Import Namespace="System.Data" %>
<html>
<head>
   <title>Databound Control Example</title>
   <script runat="server">
      Sub Page_Load()
         MyDataGrid.DataSource = CreateData()
         MyDataGrid.DataBind()
         MyDataList.DataSource = CreateData()
         MyDataList.DataBind()
         MyRepeater.DataSource = CreateData()
         MyRepeater.DataBind()
      End Sub
      Function CreateData() As DataTable
         Dim DT As New DataTable()
         Dim Row1, Row2, Row3, Row4 As DataRow
         DT.Columns.Add(New DataColumn("name", System.Type.GetType("System.String")))
         DT.Columns.Add(New DataColumn("city", System.Type.GetType("System.String")))
         Row1 = DT.NewRow()
         Row1("name") = "Name 1"
         Row1("city") = "City 1"
         DT.Rows.Add(Row1)
         Row2 = DT.NewRow()
         Row2("name") = "Name 2"
         Row2("city") = "City 2"
         DT.Rows.Add(Row2)
         Row3 = DT.NewRow()
         Row3("name") = "Name 3"
         Row3("city") = "City 3"
         DT.Rows.Add(Row3)
         Row4 = DT.NewRow()
         Row4("name") = "Name 4"
         Row4("city") = "City 4"
         DT.Rows.Add(Row4)
         Return DT
      End Function
   </script>
</head>
<body>
   <h1>Databound Control Example</h1>
   <form runat="server">
      <asp:table id="MyTable" border="1" cellpadding="5" cellspacing="0" runat="server">
         <asp:tablerow runat="server">
            <asp:tablecell runat="server">
               DataGrid Control:
            </asp:tablecell>
            <asp:tablecell runat="server">
               <asp:datagrid id="MyDataGrid"
                  allowpaging="true"
                  allowsorting="true"
                  alternatingitemstyle-backcolor="LightSkyBlue"
                  backcolor="Blue"
                  forecolor="White"
                  cellpadding="2"
                  cellspacing="0"
                  headerstyle-backcolor="DarkBlue"
                  headerstyle-forecolor="Yellow"
                  pagerstyle-mode="NumericPages"
                  pagesize="5"
                  runat="server"/>
            </asp:tablecell>
         </asp:tablerow>
         <asp:tablerow runat="server">
            <asp:tablecell runat="server">
               DataList Control:
            </asp:tablecell>
            <asp:tablecell runat="server">
               <asp:datalist id="MyDataList"
                  alternatingitemstyle-backcolor="LightSkyBlue"
                  backcolor="Blue"
                  bordercolor="Black"
                  cellpadding="2"
                  cellspacing="0"
                  forecolor="White"
                  headerstyle-backcolor="DarkBlue"
                  headerstyle-forecolor="Yellow"
                  repeatcolumns="1"
                  repeatdirection="vertical"
                  repeatlayout="table" 
                  runat="server">
                  <headertemplate>
                     Composers
                  </headertemplate>
                  <itemtemplate>
                     <%# databinder.eval(container.dataitem, "name") %>
                  </itemtemplate>
               </asp:datalist>
            </asp:tablecell>
         </asp:tablerow>
         <asp:tablerow runat="server">
            <asp:tablecell runat="server">
               Repeater Control:
            </asp:tablecell>
            <asp:tablecell runat="server">
               <asp:repeater id="MyRepeater" runat="server">
                  <headertemplate>
                     <table cellpadding="5" cellspacing="0">
                        <tr>
                           <td>Name<hr/></td>
                           <td>City<hr/></td>
                        </tr>
                  </headertemplate>
                  <itemtemplate>
                        <tr>
                           <td><%# DataBinder.Eval(Container.DataItem, _
                                  "name") %></td>
                           <td><%# DataBinder.Eval(Container.DataItem, _
                                  "city") %></td>
                        </tr>
                  </itemtemplate>
                  <footertemplate>
                     </table>
                  </footertemplate>
               </asp:repeater>
            </asp:tablecell>
         </asp:tablerow>
      </asp:table>
   </form>
</body>
</html>



Bind hashtable to asp datagrid (C#)

<%@Page Language="C#"%>
<html>
<body>
<asp:datagrid  id="dgrTest" runat="server"
               autogeneratecolumns="false"
               forecolor="#000000"
               backcolor="#ffffff"
               cellpadding="3"
               gridlines="none"
               width="50%"
               font-name="tahoma,arial,sans-serif">
  <headerstyle forecolor="#ffffff"
               backcolor="#808080"
               font-name="tahoma,arial,sans-serif"
               font-size="12px"
               font-bold="true"
               wrap="false" />
  <itemstyle   font-name="tahoma,arial,sans-serif" />
  <alternatingitemstyle font-name="tahoma,arial,sans-serif"
               backcolor="#ffff00" />
  <columns>
    <asp:boundcolumn headertext="Key" datafield="Key" dataformatstring="<font size="4">{0}</font>" />
    <asp:boundcolumn headertext="Value" datafield="Value" dataformatstring="<font size="1">${0:f2}</font>" />
  </columns>
</asp:datagrid>
</body>
</html>
<script Language="C#" runat="server">
void Page_Load() {
   // create a HashTable of values to bind to
   Hashtable tabValues = new Hashtable(4);
   tabValues.Add("A", 49.56);
   tabValues.Add("B", 28.33);
   tabValues.Add("C", 55);
   tabValues.Add("D", 20.74);
   tabValues.Add("E", 41.1);
   // set the DataSource property of the control to the
   // hashtable and bind it to display the values
   dgrTest.DataSource = tabValues;
   dgrTest.DataBind();
}
</script>