DataGrid自定义导航按钮
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VS中的DataGrid相信大家都很熟悉了, 功能十分的强大,唯一觉得有点遗憾的是分页导航,效果不是十分的完美,所以自己写了个自定义导航按钮。代码如下:
(数据表引用数据库Northwind中的products表。)
VS2003
DataGridNavig.aspx
<body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <table> <tr> <td> <asp:DataGrid id="myDataGrid" runat="server" Width="320px" Height="184px" AllowSorting="True" ShowFooter="True" PageSize="5" AllowPaging="True" BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" BackColor="White" CellPadding="3" GridLines="Horizontal"> <SelectedItemStyle Font-Bold="True" ForeColor="#F7F7F7" BackColor="#738A9C"></SelectedItemStyle> <AlternatingItemStyle BackColor="#F7F7F7"></AlternatingItemStyle> <ItemStyle ForeColor="#4A3C8C" BackColor="#E7E7FF"></ItemStyle> <HeaderStyle Font-Bold="True" ForeColor="#F7F7F7" BackColor="#4A3C8C"></HeaderStyle> <FooterStyle ForeColor="#4A3C8C" BackColor="#B5C7DE"></FooterStyle> <Columns> <asp:TemplateColumn HeaderText="ID"> <ItemTemplate> <%#DataBinder.Eval(Container.DataItem,"ProductID")%> </ItemTemplate> </asp:TemplateColumn> <asp:TemplateColumn HeaderText="ProductName"> <ItemTemplate> <%#DataBinder.Eval(Container.DataItem,"ProductName")%> </ItemTemplate> </asp:TemplateColumn> <asp:TemplateColumn HeaderText="UnitPrice"> <ItemTemplate> <%#DataBinder.Eval(Container.DataItem,"UnitPrice","{0:C}")%> </ItemTemplate> </asp:TemplateColumn> </Columns> <PagerStyle HorizontalAlign="Right" ForeColor="#4A3C8C" BackColor="#E7E7FF" Mode="NumericPages"></PagerStyle> </asp:DataGrid> </td> </tr> <tr> <td align="right"> 共<%=this.myDataGrid.PageCount - 1%> 页 第<%=this.myDataGrid.CurrentPageIndex + 1%>页 <asp:LinkButton ID="btnFirst" Runat="server"></asp:LinkButton> <asp:LinkButton ID="btnNext" Runat="server"></asp:LinkButton> <asp:LinkButton ID="btnPrev" Runat="server"></asp:LinkButton> <asp:LinkButton ID="btnLast" Runat="server"></asp:LinkButton> 转 <asp:TextBox ID="txtPageIndex" Runat="server" Width="32px"></asp:TextBox> 页 <asp:Button ID="btnRect" Text="转" Runat="server" Width="24px"></asp:Button> </td> </tr> </table> </form> </body>
DataGridNavig.aspx.cs
private void Page_Load(object sender, System.EventArgs e)...{ if(!IsPostBack) ...{ this.GridBund();//绑定数据 this.btnFirst.Text= "首页"; this.btnNext.Text= "下一页"; this.btnPrev.Text = "上一页"; this.btnLast.Text = "最后页"; } }private void GridBund()...{ string stringSql = "select productID,productName,UnitPrice from products"; DataSet ds = SQLHelper.ExecuteDataSet(stringSql); this.myDataGrid.DataSource = ds.Tables[0].DefaultView; this.myDataGrid.DataBind();}/**//// <summary>/// 分页/// </summary>private void myDataGrid_PageIndexChanged(object source,DataGridPageChangedEventArgs e)...{ try ...{ this.myDataGrid.CurrentPageIndex = e.NewPageIndex; } catch ...{ this.myDataGrid.CurrentPageIndex = 0; } finally ...{ this.GridBund(); }}/**//// <summary>/// 首页/// </summary>private void btnFirst_Click(object sender, System.EventArgs e)...{ this.myDataGrid.CurrentPageIndex = 0; this.GridBund();}/**//// <summary>/// 下一页/// </summary>private void btnNext_Click(object sender, System.EventArgs e)...{ if(this.myDataGrid.CurrentPageIndex < (this.myDataGrid.PageCount - 1)) ...{ this.myDataGrid.CurrentPageIndex += 1; this.GridBund(); }}/**//// <summary>/// 上一页/// </summary>private void btnPrev_Click(object sender, System.EventArgs e)...{ if(this.myDataGrid.CurrentPageIndex > 0) ...{ this.myDataGrid.CurrentPageIndex -= 1; this.GridBund(); }}/**//// <summary>/// 最后页/// </summary> private void btnLast_Click(object sender, System.EventArgs e)...{ this.myDataGrid.CurrentPageIndex = (this.myDataGrid.PageCount -1); this.GridBund();}/**//// <summary>/// 转到第几页/// </summary>private void btnRect_Click(object sender, System.EventArgs e)...{ int num = Int32.Parse(this.txtPageIndex.Text); if(num <= 0 || num > (this.myDataGrid.PageCount -1)) return; else ...{ this.myDataGrid.CurrentPageIndex = (num - 1); this.GridBund(); }}
如果有更好的方法,大家一起交流!^ ^
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