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  • 九、初学.NET—GridView控件页脚显示总记数、当前页码、总页码

    获得总记录数有两种方法:第一种方式:在绑定方法中ds.Tables[0].Rows.Count;中的表格行数获得

    private void SetBind()

        {

            DataSet ds = new DataSet();

            using (SqlConnection conn = new SqlConnection(sConnectionString))

            {

                SqlDataAdapter da = new SqlDataAdapter("SELECT  tbMajor.MajorID, tbMajor.MajorName, tbDepartment.DepartmentName, tbUser.UserRealName  FROM   tbMajor LEFT OUTER JOIN  tbDepartment ON tbMajor.MajorDepartmentID = tbDepartment.DepartmentID LEFT OUTER JOIN   tbUser ON tbMajor.MajorHeadID = tbUser.UserID  ORDER BY tbDepartment.DepartmentName, tbMajor.MajorName", conn);

                da.Fill(ds);

            }

            ToatalRowsCount = ds.Tables[0].Rows.Count;

            DataView dv = new DataView(ds.Tables[0]);

            if (ViewState["SortExpresstion"] != null)

                dv.Sort = ViewState["SortExpresstion"].ToString() + " " + ViewState["SortDirection"].ToString();

            gv_Major.DataSource = dv;

            gv_Major.DataBind();

        }

    第二种方式,在绑定方法中通过查询数据库的方式获得

    private void SetBind()

        {

            DataSet ds = new DataSet();

            using (SqlConnection conn = new SqlConnection(sConnectionString))

            {

                SqlDataAdapter da = new SqlDataAdapter("select tbReview.ReviewID,tbReview.ReviewSubmmitState,  tbReview.ReviewFirstScore,tbReview.ReviewSecondScore,tbReview.ReviewThirdScore,tbReview.ReviewFourthScore,tbReview.ReviewFifthScore,tbReview.ReviewSixthScore,tbReview.ReviewSeventhScore,tbReview.ReviewSumScore,tbMajor.MajorName  from tbReview left outer join tbMajor on tbReview.ReviewMajorID=tbMajor.MajorID  where ReviewUserID= '"+Session["UserID"].ToString()+"' and tbReview.ReviewState='已评审'",conn);

                da.Fill(ds);                         

                conn.Open();

                {

                    using (SqlCommand cmd = new SqlCommand("select count(*) from tbReview where ReviewUserID='" + Session["UserID"].ToString() + "' and ReviewState='已评审'", conn))

                    {

                        MajorCount = Convert.ToInt16(cmd.ExecuteScalar());

                    }

                }

            }

            DataView dv = new DataView(ds.Tables[0]);

            if (ViewState["SortExpresstion"] != null)

                dv.Sort = ViewState["SortExpresstion"].ToString() + " " + ViewState["SortDirection"].ToString();

            gv_ReviewIndex.DataSource = dv;

            gv_ReviewIndex.DataBind();

     

        }

    在页脚显示记录数、当前页、总页。当前页PageIndex+1,总页:PageCount

    前端:模板列的页脚模板中加一个标签用于接收数据,也可以不加。

    <asp:TemplateField HeaderText="专业名称" SortExpression="MajorName">

                <ItemTemplate>

                    <asp:Label ID="Label1" runat="server" Text='<%# Bind("MajorName") %>'></asp:Label>

                </ItemTemplate>

                <FooterTemplate>

                     <asp:Label ID="Label2" runat="server" Text=""></asp:Label>

              </FooterTemplate>

    后台代码:

    protected void gv_ReviewIndex_RowDataBound(object sender, GridViewRowEventArgs e)

        {

          if (e.Row.RowType == DataControlRowType.Footer)

            {

              ((Label)(e.Row.FindControl("Label2"))).Text = "共有" + MajorCount + "条记录";

              (e.Row.FindControl("Label3") as Label).Text = "第+(gv_ReviewIndex.PageIndex+1).ToString() + "页+ "共" + gv_ReviewIndex.PageCount + "页";

             

            }

        }

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  • 原文地址:https://www.cnblogs.com/liuyuanhao/p/3012974.html
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