<asp:datalist id="DataList1" DataKeyField="productid" RepeatColumns='5' runat="server" RepeatDirection="Horizontal" CellSpacing="1" CellPadding="3">我用数据<%= dr["repeatcoumnkkkk"].ToString()%>控制RepeatColumns或者其他显示提示编译器错误...非int32格式..请问怎样做才能控制前台datalist显示的横纵列数??
RepeatDirection="Horizontal"
RepeatDirection="Horizontal"
RepeatDirection="Vertical"---------------------------------------
<%@ Page Language="C#" AutoEventWireup="True" %>
<%@ Import Namespace="System.Data" %>
<html>
<script runat="server">
ICollection CreateDataSource()
{
// Create sample data for the DataList control.
DataTable dt = new DataTable();
DataRow dr;
// Define the columns of the table.
dt.Columns.Add(new DataColumn("IntegerValue", typeof(Int32)));
dt.Columns.Add(new DataColumn("StringValue", typeof(String)));
dt.Columns.Add(new DataColumn("CurrencyValue", typeof(double)));
dt.Columns.Add(new DataColumn("ImageValue", typeof(String)));
// Populate the table with sample values.
for (int i = 0; i < 9; i++)
{
dr = dt.NewRow();
dr[0] = i;
dr[1] = "Description for item " + i.ToString();
dr[2] = 1.23 * (i + 1);
dr[3] = "Image" + i.ToString() + ".jpg";
dt.Rows.Add(dr);
}
DataView dv = new DataView(dt);
return dv;
}
void Page_Load(Object sender, EventArgs e)
{ // Load sample data only once, when the page is first loaded.
if (!IsPostBack)
{
ItemsList.DataSource = CreateDataSource();
ItemsList.DataBind();
} }
void Button_Click(Object sender, EventArgs e)
{
// Set the repeat direction based on the selected value of the
// DirectionList DropDownList control.
ItemsList.RepeatDirection =
(RepeatDirection)DirectionList.SelectedIndex; // Set the repeat layout based on the selected value of the
// LayoutList DropDownList control.
ItemsList.RepeatLayout = (RepeatLayout)LayoutList.SelectedIndex; // Set the number of columns to display based on the selected
// value of the ColumnsList DropDownList control.
ItemsList.RepeatColumns = ColumnsList.SelectedIndex; // Show or hide the gridlines based on the value of the
// ShowBorderCheckBox property. Note that gridlines are displayed
// only if the RepeatLayout property is set to Table.
if ((ShowBorderCheckBox.Checked)
&& (ItemsList.RepeatLayout == RepeatLayout.Table))
{
ItemsList.BorderWidth = Unit.Pixel(1);
ItemsList.GridLines = GridLines.Both;
}
else
{
ItemsList.BorderWidth = Unit.Pixel(0);
ItemsList.GridLines = GridLines.None;
}
}
</script>
<body>
<form runat=server> <h3>DataList Example</h3>
<asp:DataList id="ItemsList"
BorderColor="black"
CellPadding="5"
CellSpacing="5"
RepeatDirection="Vertical"
RepeatLayout="Table"
RepeatColumns="0"
ShowBorder="False"
runat="server"> <HeaderStyle BackColor="#aaaadd">
</HeaderStyle> <AlternatingItemStyle BackColor="Gainsboro">
</AlternatingItemStyle> <HeaderTemplate> List of items </HeaderTemplate>
<ItemTemplate> Description: <br>
<%# DataBinder.Eval(Container.DataItem, "StringValue") %> <br> Price: <%# DataBinder.Eval(Container.DataItem, "CurrencyValue", "{0:c}") %> <br> <asp:Image id="ProductImage"
ImageUrl='<%# DataBinder.Eval(Container.DataItem, "ImageValue") %>'
runat="server"/> </ItemTemplate>
</asp:DataList>
<hr> <table cellpadding="5"> <tr> <td> Repeat direction: <td> <td> Repeat layout: <td> <td> Repeat columns: <td> <td> <asp:CheckBox id="ShowBorderCheckBox"
Text="Show border"
Checked="False"
runat="server" /> <td> </tr> <tr> <td> <asp:DropDownList id="DirectionList"
runat="server"> <asp:ListItem>Horizontal</asp:ListItem>
<asp:ListItem Selected="True">Vertical</asp:ListItem> </asp:DropDownList> <td> <td> <asp:DropDownList id="LayoutList"
runat="server"> <asp:ListItem Selected="True">Table</asp:ListItem>
<asp:ListItem>Flow</asp:ListItem> </asp:DropDownList> <td> <td> <asp:DropDownList id="ColumnsList"
runat="server"> <asp:ListItem Selected="True">0</asp:ListItem>
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem> </asp:DropDownList> <td> <td> <td>
</tr> </table>
<asp:LinkButton id="RefreshButton"
Text="Refresh DataList"
OnClick="Button_Click"
runat="server"/>
</form>
</body>
</html>
显示错误的????
我的意思是说怎样在网站管理后台控制前台首页index.aspx中的datalist显示????就是说我后台有几个文本框
有:
显示行数:
显示列数:
行间隔:
我输入点确定,数据更新到数据库,前台就更新了~~~~我说的是这样!
而不是说怎么显示datalist行数,,这个我会.....