using Microsoft.Office.InfoPath;
using System;using System.Xml;using System.Xml.XPath;using System.Data;using System.Threading;namespace 模板1
{ public partial class FormCode { // 启用浏览器功能的表单不支持成员变量。 // 请使用代码从 FormState 词典 // 写入和读取这些值，如下所示: // //private int RowCount //{ // get // { // return Convert.ToInt16(Rows); // } // set // { // Rows = value; // } //}// 注意: 以下是 Microsoft Office InfoPath 所需的过程。
// 可以使用 Microsoft Office InfoPath 对其进行修改。 public void InternalStartup() { ((ButtonEvent)EventManager.ControlEvents["CTRL5_5"]).Clicked += new ClickedEventHandler(CTRL5_5_Clicked); ((ButtonEvent)EventManager.ControlEvents["CTRL6_5"]).Clicked += new ClickedEventHandler(CTRL6_5_Clicked); EventManager.FormEvents.Loading += new LoadingEventHandler(FormEvents_Loading); ((ButtonEvent)EventManager.ControlEvents["CTRL10_5"]).Clicked += new ClickedEventHandler(CTRL10_5_Clicked); ((ButtonEvent)EventManager.ControlEvents["CTRL11_5"]).Clicked += new ClickedEventHandler(CTRL11_5_Clicked); }public void FormEvents_Loading(object sender, LoadingEventArgs e)
{ TempTable = GenDataTable(out Rows); navRows = this.MainDataSource.CreateNavigator().SelectSingleNode("/my:myFields/my:rows", NamespaceManager); navPages = this.MainDataSource.CreateNavigator().SelectSingleNode("/my:myFields/my:pages", NamespaceManager); navCurrentPage = this.MainDataSource.CreateNavigator().SelectSingleNode("/my:myFields/my:currentPage", NamespaceManager); PageIndex = 1; Page();}
//重复表的父节点
string StrExpression = "/my:myFields/my:group1"; //重复表当前节点 string Node = "my:group2"; //需要导入的域 string[] Field ={ "my:field1", "my:field2", "my:field3" }; //当前页 int PageIndex = 1; //每页10条 int RowsPrePage = 10; //页数 int Pages = 0; //记录数 int Rows=0; //临时表 int LastRows = 0; int LoopTimes = 0;DataTable TempTable = null;
XPathNavigator navRows = null; XPathNavigator navPages = null; XPathNavigator navCurrentPage = null;/// <summary>
/// 执行分页 /// </summary> public void Page() { XPathNavigator nav = this.MainDataSource.CreateNavigator().SelectSingleNode(StrExpression, NamespaceManager); DataTable2Rpt(StrExpression, Node, TempTable, Field, PageIndex); navRows.SetValue(Rows.ToString()); navCurrentPage.SetValue(PageIndex.ToString()); navPages.SetValue(Pages.ToString()); } public void CTRL10_5_Clicked(object sender, ClickedEventArgs e) { PageIndex = 1; Page();}
public void CTRL11_5_Clicked(object sender, ClickedEventArgs e)
{ if (PageIndex < Pages) { PageIndex = Pages; Page(); } }public void CTRL5_5_Clicked(object sender, ClickedEventArgs e)
{ if (PageIndex <=1) { PageIndex = 1; return; } else { PageIndex--; Page(); }}
public void CTRL6_5_Clicked(object sender, ClickedEventArgs e)
{ if (PageIndex >= Pages) { PageIndex = Pages; return; } else { PageIndex++; Page(); }}
/// <summary>
/// 生成演示数据 /// </summary> /// <param name="rows">输出参数rows</param> /// <returns>DataTable</returns> public DataTable GenDataTable(out int rows) { DataTable dt = new DataTable();for (int i = 0; i < 3; i++)
{ dt.Columns.Add(i.GetHashCode().ToString()); }for (int i = 1; i < 300; i++)
{ DataRow dr = dt.NewRow(); for (int j = 0; j < 3; j++) { dr[j] = i.ToString() +"--"+ j.ToString(); } dt.Rows.Add(dr); }rows = dt.Rows.Count;
return dt; } public XPathNavigator GetLastChild(XPathNavigator list) { XPathNodeIterator iter = list.SelectChildren(XPathNodeType.Element); XPathNavigator nav = null; while (iter.MoveNext()) { nav = iter.Current; } return nav; }public void DelFirstChild(XPathNavigator list)
{ XPathNodeIterator iter = list.SelectChildren(XPathNodeType.Element); while (iter.MoveNext()) { if (iter.CurrentPosition == 1) { iter.Current.DeleteSelf(); } } } public void DeleteAll(string body, string node) {XPathNavigator parent = this.MainDataSource.CreateNavigator().SelectSingleNode(body, this.NamespaceManager);
if (parent != null)
{XPathNodeIterator rowitor = parent.Select(node, this.NamespaceManager);
if (rowitor.Count > 0) { for (int i = 0; i < Convert.ToInt32(rowitor.Count) - 1; i++) { rowitor.Current.DeleteSelf(); rowitor.MoveNext(); } } } } public int GetCount(string body, string node) { XPathNavigator parent = this.MainDataSource.CreateNavigator().SelectSingleNode(body, this.NamespaceManager);if (parent != null)
{ XPathNodeIterator rowitor = parent.Select(node, this.NamespaceManager); return rowitor.Count; } else { return 0; } }public void DelRange(string body, string node,int count)
{ try { XPathNavigator parent = this.MainDataSource.CreateNavigator().SelectSingleNode(body, this.NamespaceManager);if (parent != null)
{XPathNodeIterator rowitor = parent.Select(node, this.NamespaceManager);
XPathNavigator xn = this.MainDataSource.CreateNavigator();XPathNavigator n1 = xn.SelectSingleNode(body + "/" + node + "[1]", this.NamespaceManager);
XPathNavigator n2 = n1.SelectSingleNode(body + "/" + node + "[" + count + "]", this.NamespaceManager); xn.MoveTo(n1);if (rowitor.Count > 1)
{ xn.DeleteRange(n2); } } } catch (Exception ex) { throw ex; }}
/// <summary> /// 将DataTable导入进重复表 /// </summary> /// <param name="strExpression">重复表的父节点</param> /// <param name="dt">传入的DataTable</param> /// <param name="fields">域名的数组集合</param> public void DataTable2Rpt(string strExpression, string node, DataTable dt, string[] fields, int index) { if (Rows % RowsPrePage == 0) { Pages = Rows / RowsPrePage; } else { Pages = Convert.ToInt32(Rows / RowsPrePage + 1); } if (index > Pages) { return; } XPathNavigator Nav = this.MainDataSource.CreateNavigator().SelectSingleNode(strExpression, NamespaceManager); XPathNodeIterator iter = Nav.SelectChildren(XPathNodeType.Element); XPathNodeIterator newNodeIter = null; XPathNavigator newNode = null;//复制一条
while (iter.MoveNext()) { if (iter.CurrentPosition == 1) { newNode = iter.Current.Clone(); } } int thisrows = 0; int beginRow = 0;if (index != Pages)
{ thisrows=RowsPrePage * index; beginRow=thisrows - RowsPrePage ; } else { beginRow = RowsPrePage * (index-1); thisrows = Rows; } LastRows=thisrows-beginRow;//thisrows = RowsPrePage * index;
if (thisrows <= dt.Rows.Count && thisrows > 0) { for (int i = beginRow; i < thisrows; i++) { Nav.AppendChild(newNode); newNode = GetLastChild(Nav); newNodeIter = newNode.SelectChildren(XPathNodeType.Element);for (int j = 0; j < dt.Columns.Count; j++)
{ //导入将对应位置的值 newNodeIter.Current.SelectSingleNode(fields[j], NamespaceManager).SetValue(dt.Rows[i][j].ToString()); } } } //删除第一条无效数据 if (LoopTimes == 0) { DelFirstChild(Nav); LoopTimes++; } else //删除之前的数据 { LoopTimes++; DelRange(StrExpression, node, LastRows); } }
}}