我使用列表視圖來顯示從數據庫產品列表的大小。的onpage負載的產品得到正確加載,但是當我嘗試使用DataPager的分頁它給這個錯誤Listview Datapager - 索引超出範圍。必須爲非負且小於集合
指數超出範圍切換頁面。必須是非負數且小於集合的大小。參數名稱:在System.Web.UI.WebControls.DataKeyArray.get_Item(Int32索引)上的System.Collections.ArrayList.get_Item(Int32索引)處的索引。在shop.products_temperatureBound(Object sender,ListViewItemEventArgs e)
Thing is if我使用ItemDataBound然後只有我得到這個錯誤。其他分頁工作正常。
<asp:ListView ID="products" runat="server" DataKeyNames="ID" OnPagePropertiesChanging="OnPagePropertiesChanging">
<ItemTemplate>
content
</ItemTemplate>
<LayoutTemplate>
<div id="itemPlaceholderContainer" runat="server" style="">
<div runat="server" id="itemPlaceholder" />
</div>
<div class="datapager">
<asp:DataPager ID="DataPager1" ClientIDMode="Static" runat="server" PageSize="12" PagedControlID="products" ViewStateMode="Enabled">
<Fields>
<asp:NextPreviousPagerField ButtonType="Link" ShowFirstPageButton="false" ShowPreviousPageButton="False" ShowNextPageButton="false" ButtonCssClass="nextPre" />
<asp:NumericPagerField ButtonType="Link" ButtonCount="10" />
<asp:NextPreviousPagerField ButtonType="Link" ShowNextPageButton="true" ShowLastPageButton="false" ShowPreviousPageButton="false" ButtonCssClass="nextPre" />
</Fields>
</asp:DataPager>
<div class="clear"></div>
</div>
</LayoutTemplate>
<EmptyDataTemplate>
<strong>No Items Found....</strong>
</EmptyDataTemplate>
</asp:ListView>
項數據綁定
private void products_ItemDataBound(object sender, ListViewItemEventArgs e)
{
try {
if (e.Item.ItemType == ListViewItemType.DataItem) {
ListViewDataItem itm = (ListViewDataItem)e.Item;
string productID = products.DataKeys(itm.DataItemIndex)("ID");
query = "SELECT stock_status FROM products WHERE ID = '" + productID + "'";
DataTable dt = this.GetData(query);
if (dt.Rows.Count > 0) {
((Label)e.Item.FindControl("checkReadyStock")).Text = dt.Rows(0)("stock_status").ToString;
if (((Label)e.Item.FindControl("checkReadyStock")).Text == "Ready Stock") {
((Image)e.Item.FindControl("readyStock")).Visible = true;
}
}
}
} catch (Exception ex) {
Response.Write(ex);
}
}
DataPager的
protected void OnPagePropertiesChanging(object sender, PagePropertiesChangingEventArgs e)
{
(products.FindControl("DataPager1") as DataPager).SetPageProperties(e.StartRowIndex, e.MaximumRows, false);
products.DataSource = ViewState("Data");
products.DataBind();
}
products_ItemDataBound中有多個錯誤。你應該先解決這些問題。 – VDWWD
@VDWWD什麼錯誤? – SUN
當我將來自products_ItemDataBound的代碼複製到VS 2015中時,它提供了5個錯誤。 – VDWWD