使用Repeater定制n行m列的数据邦定表
通过定制n行m列的数据表而不是常用的n行1列数据表可以有效利用页面空间，下面是一个例子：
<asp:Repeater ID="roleList" runat="server" OnItemDataBound="roleList_ItemDataBound"> <HeaderTemplate> <table class="Listing_table" border="0" cellpadding="0" cellspacing="0" align="center" width="100%"> </HeaderTemplate> <ItemTemplate> <asp:Literal id="beginRow" runat="server" /> <td valign="top" id="tableColumn" runat="server"> <div class="listContainer"> <asp:Literal ID="roleName" runat="server" /> </div> </td> <asp:Literal id="endRow" runat="server" /> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater>public int ListingRows
{
get
{
Object state = ViewState["ListingRows"]; if (state != null) { return (int)state;
} return 3; } set { ViewState["ListingRows"] = value; }
} public int ListingColumns { get { Object state = ViewState["ListingColumns"]; if (state != null) { return (int)state; } return 3; } set { ViewState["ListingColumns"] = value; } } private int columnCount = 0; private int rowCount = 0; private int totalColumns = 0; private bool totalColumnsFound = false; private int totalRecords = 0; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { this.BindRoleList(); } } protected void roleList_ItemDataBound(object sender, RepeaterItemEventArgs e) { PRole pRole = e.Item.DataItem as PRole; if (pRole != null) { switch (e.Item.ItemType) { case ListItemType.Item: case ListItemType.AlternatingItem: //角色名 Literal roleName = (Literal)e.Item.FindControl("roleName"); roleName.Text = pRole.RoleName; //设置列数 HtmlTableCell tableColumn = e.Item.FindControl("tableColumn") as HtmlTableCell; if (tableColumn != null) tableColumn.Width = (100 / ListingColumns).ToString() + "%"; //Begin a column, if necessary if (columnCount == 0) { Literal beginRow = (Literal)e.Item.FindControl("beginRow"); beginRow.Text = "<tr>"; } columnCount++; if (!totalColumnsFound) totalColumns++; //End a column, if necessary if ((columnCount == ListingColumns) || ((rowCount * ListingColumns + columnCount) == totalRecords)) { Literal endRow = (Literal)e.Item.FindControl("endRow"); endRow.Text = "</tr>"; columnCount = 0; totalColumnsFound = true; rowCount++; } break; } } } private void BindRoleList() { List<PRole> pRoles = GetDataSource(); totalRecords = pRoles.Count; roleList.DataSource = pRoles; roleList.DataBind(); } private List<PRole> GetDataSource() { Guid applictionId = new Guid("7cdbbdea-7b31-42cc-b920-f7a034062063"); IPRole iPRole = ObjectFactory.CreateIPRole(); List<PRole> pRoles = iPRole.GetPRoles(applictionId); return pRoles; }分页状态下的使用：
<div> <asp:Repeater ID="roleList" runat="server" OnItemDataBound="roleList_ItemDataBound"> <HeaderTemplate> <table class="Listing_table" border="0" cellpadding="0" cellspacing="0" align="center" width="100%"> </HeaderTemplate> <ItemTemplate> <asp:Literal id="beginRow" runat="server" /> <td valign="top" id="tableColumn" runat="server"> <div class="listContainer"> <asp:Literal ID="roleName" runat="server" /> </div> </td> <asp:Literal id="endRow" runat="server" /> </ItemTemplate> <FooterTemplate> </table> </FooterTemplate> </asp:Repeater> </div> <div> <webdiyer:AspNetPager ID="pager" runat="server" Width="100%" OnPageChanging="pager_PageChanging" UrlPaging="true" HorizontalAlign="right" PageSize="5" EnableTheming="true" NumericButtonCount="3" UrlPageIndexName="p" NumericButtonTextFormatString="[{0}]" ShowInputBox="Always" SubmitButtonText="go" TextBeforeInputBox="跳到" TextAfterInputBox="页" ShowCustomInfoSection="Left" CustomInfoHTML="页次：<font color='red'>%currentPageIndex%</font>/%pageCount%页 <font color='red'>%PageSize%</font>个内容/页 共有<font color='red'>%RecordCount%</font>个内容" FirstPageText="<<" LastPageText=">>" PrevPageText="<" NextPageText=">" Font-Size="Smaller" ShowNavigationToolTip="true" > </webdiyer:AspNetPager> </div> public int ListingRows { get { Object state = ViewState["ListingRows"]; if (state != null) { return (int)state; } return 3; } set { ViewState["ListingRows"] = value; } } public int ListingColumns { get { Object state = ViewState["ListingColumns"]; if (state != null) { return (int)state; } return 2; } set { ViewState["ListingColumns"] = value; } } private int columnCount = 0; private int rowCount = 0; private int totalColumns = 0; private bool totalColumnsFound = false; private int totalItems = 0; protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { this.BindRoleList(pager.StartRecordIndex); } } protected void roleList_ItemDataBound(object sender, RepeaterItemEventArgs e) { PRole pRole = e.Item.DataItem as PRole; if (pRole != null) { switch (e.Item.ItemType) { case ListItemType.Item: case ListItemType.AlternatingItem: //角色名 Literal roleName = (Literal)e.Item.FindControl("roleName"); roleName.Text = pRole.RoleName; //设置列数 HtmlTableCell tableColumn = e.Item.FindControl("tableColumn") as HtmlTableCell; if (tableColumn != null) tableColumn.Width = (100 / ListingColumns).ToString() + "%"; //Begin a column, if necessary if (columnCount == 0) { Literal beginRow = (Literal)e.Item.FindControl("beginRow"); beginRow.Text = "<tr>"; } columnCount++; if (!totalColumnsFound) totalColumns++; //End a column, if necessary if ((columnCount == ListingColumns) || ((rowCount * ListingColumns + columnCount) == totalItems)) { Literal endRow = (Literal)e.Item.FindControl("endRow"); endRow.Text = "</tr>"; columnCount = 0; totalColumnsFound = true; rowCount++; } break; } } } protected void pager_PageChanging(object src, Wuqi.Webdiyer.PageChangingEventArgs e) { this.BindRoleList(e.NewPageIndex); } private void BindRoleList(int currentIndex) { //配置分页控件的页大小 pager.PageSize = ListingColumns*ListingRows; Guid applictionId = new Guid("7cdbbdea-7b31-42cc-b920-f7a034062063"); int totalRecords = 0; IPRole iPRole = ObjectFactory.CreateIPRole(); List<PRole> pRoles = iPRole.GetPRoles(applictionId, currentIndex - 1, pager.PageSize, out totalRecords); totalItems = totalRecords; //配置分页控件的记录总数 pager.RecordCount = totalRecords; roleList.DataSource = pRoles; roleList.DataBind(); }
