asp.net gridview按日期排序

Question

我正在用我的sql查詢排序日期，並且得到了正確的結果。

但是當我申請

gridview.UseAccessibleHeader = true; gridview.HeaderRow.TableSection = TableRowSection.TableHeader;

到我的GridView。 排序后的數據不排序。

Answer 1

this.gridviewname.MasterTemplate.EnableSorting = true;

this.RadGridView1.MasterTemplate.EnableSorting = True



SortDescriptor descriptor = new SortDescriptor();
descriptor.PropertyName = "Yourcolumnname";
descriptor.Direction = ListSortDirection.Ascending;
this.gridviewname.MasterTemplate.SortDescriptors.Add(descriptor);



 descriptorcolumnname As New SortDescriptor()
descriptorShipName.PropertyName = "columnname"
descriptorShipName.Direction = ListSortDirection.Ascending

try this

Answer 2

試試這個對我來說很好的代碼。

-這里的C＃代碼-

<form id="form1" runat="server">
    <div>
    <h1>Gridview Property of Sorting</h1>
      <br />
        <asp:GridView ID="gdviewevent" runat="server" AutoGenerateColumns="false" OnSorting="gdviewevent_Sorting" AllowSorting="true">
             <HeaderStyle BackColor="YellowGreen" Font-Bold="True" Font-Names="cambria" ForeColor="Black" />

            <RowStyle Font-Names="Calibri" />
            <Columns>
                <asp:TemplateField HeaderText="Sr No.">
                    <ItemTemplate>
                        <span><%#Container.DataItemIndex+1 %></span>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="India Value" SortExpression="IndiaVal">
                    <ItemTemplate>
                        <asp:Label ID="lblindiavalue" runat="server" Text='<%#Eval("Column1") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Created Date" SortExpression="Registereddate">
                    <ItemTemplate>
                        <asp:Label id="lblcreateddate" runat="server" Text='<%#Eval("Registereddate", "{0:dd/MM/yyyy}") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
            </Columns>
        </asp:GridView>
    </div>
    </form>

-代碼背后的頁面-

 protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                FillGridView();
            }
        }
        protected void FillGridView()
        {
            string query = "Select Column1, Registereddate from tablename";
            SqlCommand cmd = new SqlCommand(query, con);
            DataTable dt = new DataTable();
            SqlDataAdapter sda = new SqlDataAdapter(cmd);
            sda.Fill(dt);
            if (dt.Rows.Count > 0)
            {
                gdviewevent.DataSource = dt;
                gdviewevent.DataBind();
                ViewState["dirState"] = dt;
                ViewState["sortdr"] = "Asc";
            }
        }

        protected void gdviewevent_Sorting(object sender, GridViewSortEventArgs e)
        {
            DataTable dtrslt = (DataTable)ViewState["dirState"];
            if (dtrslt.Rows.Count > 0)
            {
                if (Convert.ToString(ViewState["sortdr"]) == "Asc")
                {
                    dtrslt.DefaultView.Sort = e.SortExpression + " Desc";
                    ViewState["sortdr"] = "Desc";
                }
                else
                {
                    dtrslt.DefaultView.Sort = e.SortExpression + " Asc";
                    ViewState["sortdr"] = "Asc";
                }
                gdviewevent.DataSource = dtrslt;
                gdviewevent.DataBind();
            }

        }