ASP.NET GridView使用代码总结

ASP.NET GridView使用代码总结2011-03-13 csdn博客陈海雨--注：由于是代码的总结，所以文字比较少。

前台

<asp:Label ID="tplb" runat="server" Text="总页数："></asp:Label><asp:Label ID="lblPageCount"
                               runat="server" Text=""></asp:Label>&nbsp;&nbsp;
                             <asp:Label ID="curLabel" runat="server" Text="当前页："></asp:Label><asp:Label ID="lblPage" Text="1"
                               runat="server"></asp:Label>&nbsp;
                             <asp:LinkButton ID="lblFirstButton" runat="server" OnClick="lblFirstButton_Click" >|&lt;</asp:LinkButton>&nbsp;
                             <asp:LinkButton ID="lblPreButton" runat="server" OnClick="lblPreButton_Click" >&lt;</asp:LinkButton>&nbsp;
                             <asp:LinkButton ID="lblNextButton" runat="server" OnClick="lblNextButton_Click" >&gt;</asp:LinkButton>&nbsp;
                             <asp:LinkButton ID="lblLastButton" runat="server" OnClick="lblLastButton_Click" >&gt;|</asp:LinkButton>&nbsp;
                             <asp:DropDownList ID="ddlPage" runat="server" Width="40px" AutoPostBack="True"
                               OnSelectedIndexChanged="ddlPage_SelectedIndexChanged">
                               <asp:ListItem>10</asp:ListItem>
                               <asp:ListItem>15</asp:ListItem>
                               <asp:ListItem>20</asp:ListItem>
                               <asp:ListItem>30</asp:ListItem>
                             </asp:DropDownList>
                             <asp:Label ID="PageSizeLabel" runat="server" Text="条/页">
</asp:Label>

后台

#region分页

protected void BindFollowExamInfoGridView（int PersonID）
   {
     int currentpage = Convert.ToInt32（lblPage.Text）;
     DataTable dt = new DataTable（）;
     dt = feibf.GetByPersonIDFollowExamInfo（PersonID）; //查询指定人的随访信息记录
     if （dt.Rows.Count > 0）
     {
       FollowExamInfoGridView.DataSource = dt;
       FollowExamInfoGridView.DataBind（）;
       PagedDataSource ps = new PagedDataSource（）;
       ps.DataSource = dt.DefaultView;
       ps.AllowPaging = true;
       ps.PageSize = Convert.ToInt32（ddlPage.SelectedValue）;
       lblPageCount.Text = ps.PageCount.ToString（）;
       this.lblPreButton.Enabled = true;
       this.lblNextButton.Enabled = true;
       ps.CurrentPageIndex = currentpage - 1;
       if （currentpage == 1）
       {
         this.lblPreButton.Enabled = false;
         this.lblFirstButton.Enabled = false;
       }
       else
       {
         this.lblPreButton.Enabled = true;
         this.lblFirstButton.Enabled = true;
       }
       if （currentpage == ps.PageCount）
       {
         this.lblNextButton.Enabled = false;
         this.lblLastButton.Enabled = false;
       }
       else
       {
         this.lblNextButton.Enabled = true;
         this.lblLastButton.Enabled = true;
       }
       FollowExamInfoGridView.DataSource = ps;
       FollowExamInfoGridView.DataBind（）;
     }

   }
   protected void lblPreButton_Click（object sender, EventArgs e）
   {
     this.lblPage.Text = Convert.ToString（Convert.ToUInt32（lblPage.Text） - 1）;
     BindFollowExamInfoGridView（Convert.ToInt32（Request.QueryString["PersonID"]））;
   }
   protected void lblNextButton_Click（object sender, EventArgs e）
   {
     this.lblPage.Text = Convert.ToString（Convert.ToUInt32（lblPage.Text） + 1）;
     BindFollowExamInfoGridView（Convert.ToInt32（Request.QueryString["PersonID"]））;
   }
   protected void lblFirstButton_Click（object sender, EventArgs e）
   {
     this.lblPage.Text = "1";
     BindFollowExamInfoGridView（Convert.ToInt32（Request.QueryString["PersonID"]））;
   }
   protected void lblLastButton_Click（object sender, EventArgs e）
   {
     this.lblPage.Text = lblPageCount.Text;
     BindFollowExamInfoGridView（Convert.ToInt32（Request.QueryString["PersonID"]））;
   }
   protected void ddlPage_SelectedIndexChanged（object sender, EventArgs e）
   {
     lblPage.Text = "1";
     BindFollowExamInfoGridView（Convert.ToInt32（Request.QueryString["PersonID"]））;
   }
#endregion