[ASP.NET]限制GridView裡HyperLink文字的長度,超出長度以"..."表示

2008-10-19

19949
0
ASP.NET

今天在討論區看到此問題..小弟做個範例介紹如何達到此功能...
介紹兩種方法...只接看範例吧..

今天在討論區看到此問題..小弟做個範例介紹如何達到此功能...

介紹兩種方法...直接看範例吧..

asp.net(c#)

GridViewHyperLink.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewHyperLink.aspx.cs" Inherits="GridViewHyperLink" %> <!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 runat="server"> <title>GridViewHyperLink</title> </head> <body> <form id="form1" runat="server"> <div> 原始資料：<br /> <asp:GridView ID="GridView3" runat="server" AutoGenerateColumns="False" CellPadding="4" DataKeyNames="id" DataSourceID="SqlDataSource1" ForeColor="#333333" GridLines="None"> <RowStyle BackColor="#EFF3FB" /> <Columns> <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True" SortExpression="id" /> <asp:TemplateField HeaderText="title" SortExpression="title"> <ItemTemplate> <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("url") %>' Text='<%# Eval("title") %>'></asp:HyperLink> </ItemTemplate> <HeaderStyle HorizontalAlign="Left" /> </asp:TemplateField> </Columns> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#2461BF" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> <br /> 方法1：<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" DataKeyNames="id" DataSourceID="SqlDataSource1" ForeColor="#333333" GridLines="None"> <RowStyle BackColor="#EFF3FB" /> <Columns> <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True" SortExpression="id" /> <asp:TemplateField HeaderText="title" SortExpression="title"> <ItemTemplate> <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("url") %>' Text='<%# CheckLength(Eval("title").ToString()) %>'></asp:HyperLink> </ItemTemplate> <HeaderStyle HorizontalAlign="Left" /> </asp:TemplateField> </Columns> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#2461BF" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> <br /> 方法2： <br /> <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" CellPadding="4" DataKeyNames="id" DataSourceID="SqlDataSource1" ForeColor="#333333" GridLines="None" OnRowDataBound="GridView2_RowDataBound"> <RowStyle BackColor="#EFF3FB" /> <Columns> <asp:BoundField DataField="id" HeaderText="id" InsertVisible="False" ReadOnly="True" SortExpression="id" /> <asp:TemplateField HeaderText="title" SortExpression="title"> <ItemTemplate> <asp:HyperLink ID="HyperLink1" runat="server" NavigateUrl='<%# Eval("url") %>' Text='<%# Eval("title") %>'></asp:HyperLink> </ItemTemplate> <HeaderStyle HorizontalAlign="Left" /> </asp:TemplateField> </Columns> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#2461BF" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:ConnectionString %>" SelectCommand="SELECT * FROM [Table2]"></asp:SqlDataSource> </div> </form> </body> </html>

GridViewHyperLink.aspx.cs

using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class GridViewHyperLink : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } public string CheckLength(string str) { int limit = 40;//長度限制40 if (str.Length > limit) { return str.Substring(0, limit) + "..."; } else { return str; } } protected void GridView2_RowDataBound(object sender, GridViewRowEventArgs e) { if (e.Row.RowType == DataControlRowType.DataRow) { HyperLink h = (HyperLink)e.Row.FindControl("HyperLink1"); h.Text = CheckLength(h.Text); } } }

執行結果:

參考網址:

http://www.blueshop.com.tw/board/show.asp?subcde=BRD20081019151834HME&fumcde=FUM20041006161839LRJ

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