ASPxGridViewHelper自定义多表头及合并单元格

举例1：自定义多表头，合并单元格 AspxGridview

protected void Page_Load(object sender, EventArgs e){InitGrid();InitGridDisplayColumns();//此方法在GridView绑定数据之前扔需执行}

 private void InitGrid(){string header = "选择#序号#设备位号#设备名称#检修<br/>类别#检修内容 序号,内容#主要备件及材料 名称,规格,材质,数量,单位#施工单位#项目负责人 施工单位,生产车间,配合部门#完成情况 开工,完工#计划<br/>检修<br/>时间#备注";string fieldName = "JXBH";bool isOpenMergeCell = true;bool isOpenMutiHeader = true;int[] num = null;switch (XMIndex){case 1://工艺header = "选择#序号#工段#工艺项目内容 序号,内容#施工单位#项目负责人 生产车间,配合部门#备注";break;case 2://容器header = "选择#序号#容器编号#容器名称#类别#内径#材质#壁厚#长度#操作压力#操作温度#介质#安全状况等级#到期检验日期#计划安排检验时间#重点检验部位#备注";isOpenMergeCell = false;break;case 3://管道header = "选择#序号#管道编号#管线号#管道起点#管道止点#公称直径#公称壁厚#累计长度#工作压力#工作温度#材质#级别#介质#近期检验日期#下次检验日期#安全状况等级#重点检验部位#备注";isOpenMergeCell = false;break;case 5://防腐保温header = "选择#序号#位号#名称#工段#具体内容 序号,内容,数量#备注";break;default:num = new int[] { 7, 8, 9, 10, 11 };break;}ASPxGridViewHelper helper = new ASPxGridViewHelper(this.GV_JH, fieldName, num, header, isOpenMutiHeader, isOpenMergeCell);}private void InitGridDisplayColumns()//根据不同表头显示不同列{string[] hidenFields = null;int[] newNums = new int[] { 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };switch (XMIndex){case 1://工艺hidenFields = new string[] { "SBWH", "JXLB", "BJBM", "BJMC", "BJGG", "BJTH", "BJCZ", "BJSL", "SLDW", "SGDWFZR", "JHKG", "JHWG", "JHJXSJ" };break;case 2://容器hidenFields = new string[] { "JXLB", "JXNRH", "JXNR", "SCCJFZR", "JHJXSJ" };newNums = new int[] { 2, 3, 4, 5, 6, 7, 10, 11, 8, 9, 12, 13, 14, 15, 16, 19, 17, 18, 20, 21 };break;case 3://管道hidenFields = new string[] { "JXLB", "JXNRH", "JXNR" };newNums = new int[] { 3, 2, 4, 5, 6, 7, 9, 11, 10, 14, 12, 13, 16, 19, 8, 20, 17, 18, 15, 21 };break;case 5://防腐保温hidenFields = new string[] { "JXLB", "BJBM", "BJGG", "BJTH", "BJCZ", "SLDW", "SGDW", "SGDWFZR", "SCCJFZR", "PHBMFZR", "JHKG", "JHWG", "JHJXSJ" };newNums = new int[] { 2, 3, 8, 5, 6, 7, 4, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };break;default:hidenFields = new string[] { "BJBM", "BJTH" };break;}ASPxGridViewHelper helper = new ASPxGridViewHelper(this.GV_JH);string[] fields = new string[] { "SBWH", "SBMC", "JXLB", "JXNRH", "JXNR", "BJBM", "BJMC", "BJGG", "BJTH", "BJCZ", "BJSL", "SLDW", "SGDW", "SGDWFZR", "SCCJFZR", "PHBMFZR", "JHKG", "JHWG", "JHJXSJ", "BZ" };helper.ChangeColumsDisplay(fields, true);helper.ChangeColumnsVisibleIndex(fields, newNums);helper.ChangeColumsDisplay(hidenFields, false);}

实现效果图：

举例2：合并单元格 AspxGridview

protected void Page_Load(object sender, EventArgs e){/** 参数说明* 1.需要操作的Gridview* 2.作为合并单元格的分组字段名：单据号* 3.不参与合并的列的索引号* 4.多表头的字符串序列* 5.多表头开关* 6.合并单元格开关*/Lcerp.Common.ASPxGridViewHelper h = new Lcerp.Common.ASPxGridViewHelper(this.GridView_QI, "QI5M1E", new int[] { 0,1 }, "", false, true);//将操作的Gridview绑定数据源this.GridView_QI.DataBind();}

using DevExpress.Web.ASPxGridView;
using System.Collections.Generic;
using System.Web.UI.WebControls;
using System.Web.UI;
using System;
namespace Lcerp.Common
{public class ASPxGridViewHelper{#region 基本配置#region 多表头string header;bool isOpenMutiHeader = false;#endregion#region 合并单元格bool isOpenMergeCell = false;string fieldName;int[] notMergeNumbers = null;ASPxGridView grid;public ASPxGridView Grid { get { return grid; } }Dictionary<GridViewCommandColumn, TableCell> commandCells = new Dictionary<GridViewCommandColumn, TableCell>();Dictionary<GridViewDataColumn, TableCell> mergedCells = new Dictionary<GridViewDataColumn, TableCell>();Dictionary<TableCell, int> cellRowSpans = new Dictionary<TableCell, int>();#endregion#endregion#region 外部调用入口（初始化）public ASPxGridViewHelper(ASPxGridView grid){this.grid = grid;}/// <summary>/// 初始化/// </summary>/// <param name="grid">要操作的ASPxGridView</param>/// <param name="fieldName">根据哪个字段分组合并，例如单据编号</param>/// <param name="columnNumber">使后N列不进行合并，例如N=4,即后4列数据不参与合并</param>/// <param name="header">/// ASPxGridView多表头实现/// 表头格式定义方法：相邻父列#分隔 上下级空格分隔 相邻子级用逗号分隔/// </param>/// <param name="isOpenMutiHeader">是否启用多表头，默认关闭</param>/// <param name="isOpenMergeCell">是否启用合并单元格，默认关闭</param>public ASPxGridViewHelper(ASPxGridView grid, string fieldName, int[] notMergeNumbers, string header, bool isOpenMutiHeader, bool isOpenMergeCell){this.grid = grid;this.fieldName = fieldName;this.header = header;this.isOpenMergeCell = isOpenMergeCell;this.isOpenMutiHeader = isOpenMutiHeader;this.notMergeNumbers = notMergeNumbers;Grid.HtmlRowCreated += new ASPxGridViewTableRowEventHandler(grid_HtmlRowCreated);Grid.HtmlDataCellPrepared += new ASPxGridViewTableDataCellEventHandler(grid_HtmlDataCellPrepared);Grid.HtmlCommandCellPrepared += new ASPxGridViewTableCommandCellEventHandler(grid_HtmlCommandCellPrepared);}#endregion#region 初始化准备void grid_HtmlDataCellPrepared(object sender, ASPxGridViewTableDataCellEventArgs e){if (cellRowSpans.ContainsKey(e.Cell)){e.Cell.RowSpan = cellRowSpans[e.Cell];}}void grid_HtmlCommandCellPrepared(object sender, ASPxGridViewTableCommandCellEventArgs e){if (cellRowSpans.ContainsKey(e.Cell)){e.Cell.RowSpan = cellRowSpans[e.Cell];}}void grid_HtmlRowCreated(object sender, ASPxGridViewTableRowEventArgs e){#region 多表头if (isOpenMutiHeader){ASPxGridView gv = sender as ASPxGridView;if (e.RowType == DevExpress.Web.ASPxGridView.GridViewRowType.Data && e.VisibleIndex == gv.PageIndex * gv.SettingsPager.PageSize){SplitTableHeader(e.Row, header);}}#endregion#region 合并单元格if (isOpenMergeCell){bool isPrevColumnHasSameFormID = IsSameData(fieldName, e.VisibleIndex, e.VisibleIndex - 1);bool isNextColumnHasSameFormID = IsSameData(fieldName, e.VisibleIndex, e.VisibleIndex + 1);if (Grid.GetRowLevel(e.VisibleIndex) != Grid.GroupCount) return;List<int> num = new List<int>();if (notMergeNumbers != null)num.AddRange(notMergeNumbers);for (int i = e.Row.Cells.Count - 1; i >= 0; i--){if (!(num != null && num.Count > 0 && num.Contains(i))){DevExpress.Web.ASPxGridView.Rendering.GridViewTableDataCell dataCell = e.Row.Cells[i] as DevExpress.Web.ASPxGridView.Rendering.GridViewTableDataCell;DevExpress.Web.ASPxGridView.Rendering.GridViewTableCommandCell commandCell = e.Row.Cells[i] as DevExpress.Web.ASPxGridView.Rendering.GridViewTableCommandCell;if (dataCell != null){MergeCells(dataCell.DataColumn, e.VisibleIndex, dataCell, isNextColumnHasSameFormID, isPrevColumnHasSameFormID);}else if (commandCell != null){MergeCells(commandCell.Column, e.VisibleIndex, commandCell, isNextColumnHasSameFormID, isPrevColumnHasSameFormID);}}}}#endregion}#endregion#region 合并单元格void MergeCells(GridViewCommandColumn column, int visibleIndex, TableCell cell, bool isNextColumnHasSameFormID, bool isPrevColumnHasSameFormID){if (isNextColumnHasSameFormID){if (!commandCells.ContainsKey(column)){commandCells[column] = cell;}}if (isPrevColumnHasSameFormID){((TableRow)cell.Parent).Cells.Remove(cell);if (commandCells.ContainsKey(column)){TableCell commCell = commandCells[column];if (!cellRowSpans.ContainsKey(commCell)){cellRowSpans[commCell] = 1;}cellRowSpans[commCell] = cellRowSpans[commCell] + 1;}}if (!isNextColumnHasSameFormID){commandCells.Remove(column);}}void MergeCells(GridViewDataColumn column, int visibleIndex, TableCell cell, bool isNextColumnHasSameFormID, bool isPrevColumnHasSameFormID){bool isNextTheSame = IsNextColumnHasSameData(column, visibleIndex);bool isPrevTheSame= IsPrevColumnHasSameData(column, visibleIndex);if (isNextColumnHasSameFormID && isNextTheSame){if (!mergedCells.ContainsKey(column)){mergedCells[column] = cell;}}if (isPrevColumnHasSameFormID && isPrevTheSame){((TableRow)cell.Parent).Cells.Remove(cell);if (mergedCells.ContainsKey(column)){TableCell mergedCell = mergedCells[column];if (!cellRowSpans.ContainsKey(mergedCell)){cellRowSpans[mergedCell] = 1;}cellRowSpans[mergedCell] = cellRowSpans[mergedCell] + 1;}}if (!isNextTheSame){mergedCells.Remove(column);}}bool IsNextColumnHasSameData(GridViewDataColumn column, int visibleIndex){//is it the last visible rowif (visibleIndex >= Grid.VisibleStartIndex + Grid.VisibleRowCount - 1) return false;return IsSameData(column.FieldName, visibleIndex, visibleIndex + 1);}bool IsPrevColumnHasSameData(GridViewDataColumn column, int visibleIndex){ASPxGridView grid = column.Grid;//is it the first visible rowif (visibleIndex <= Grid.VisibleStartIndex) return false;return IsSameData(column.FieldName, visibleIndex, visibleIndex - 1);}bool IsSameData(string fieldName, int visibleIndex1, int visibleIndex2){// is it a group row?if (Grid.GetRowLevel(visibleIndex2) != Grid.GroupCount) return false;return object.Equals(Grid.GetRowValues(visibleIndex1, fieldName),Grid.GetRowValues(visibleIndex2, fieldName));}#endregion#region  多表头/// <summary>/// 重写表头/// </summary>/// <param name="targetHeader">目标表头</param>/// <param name="newHeaderNames">新表头</param>/// <remarks>/// 等级#级别#上期结存 件数,重量,比例#本期调入 收购调入 件数,重量,比例#本期发出 车间投料 件数,重量,/// 比例#本期发出 产品外销百分比 件数,重量,比例#平均值/// </remarks>void SplitTableHeader(TableRow targetHeader, string newHeaderNames){Table table = targetHeader.Parent as Table;table.Rows.RemoveAt(0);table.CssClass = "dxgvTable_Office2003_Blue";int row = GetRowCount(newHeaderNames);int col = GetColCount(newHeaderNames);string[,] nameList = ConvertList(newHeaderNames, row, col);int RowSpan = 0;int ColSpan = 0;for (int k = 0; k < row; k++){TableRow trow = new TableRow();trow.Height = 20;string LastFName = "";for (int i = 0; i < col; i++){TableCell cell = new TableCell();if (LastFName == nameList[i, k] && k != row - 1){LastFName = nameList[i, k];continue;}else{LastFName = nameList[i, k];}int bFlag = IsVisible(nameList, k, i, LastFName);switch (bFlag){case 0:break;case 1:RowSpan = GetSpanRowCount(nameList, row, k, i);ColSpan = GetSpanColCount(nameList, row, col, k, i);cell = new TableCell();cell.RowSpan = RowSpan;cell.ColumnSpan = ColSpan;cell.CssClass = "dxgvHeader_Office2003_Blue";cell.Text = LastFName;cell.BorderStyle = BorderStyle.Solid;cell.BorderWidth = Unit.Pixel(0);cell.Style.Add(HtmlTextWriterStyle.TextAlign, "center");cell.Style.Add(HtmlTextWriterStyle.BorderCollapse, "collapse");cell.Style.Add(HtmlTextWriterStyle.BorderCollapse, "separate");cell.Style["BORDER-RIGHT-WIDTH"] = "1px";cell.Style["BORDER-BOTTOM-WIDTH"] = "1px";trow.Cells.Add(cell);break;case -1:string[] EndColName = LastFName.Split(new char[] { ',' });foreach (string eName in EndColName){cell = new TableCell();cell.Text = eName;cell.BorderStyle = BorderStyle.Solid;cell.BorderWidth = Unit.Pixel(0);cell.CssClass = "dxgvHeader_Office2003_Blue";cell.Style.Add(HtmlTextWriterStyle.TextAlign, "center");cell.Style.Add(HtmlTextWriterStyle.BorderCollapse, "collapse");cell.Style.Add(HtmlTextWriterStyle.BorderCollapse, "separate");cell.Style["BORDER-RIGHT-WIDTH"] = "1px";cell.Style["BORDER-BOTTOM-WIDTH"] = "1px";trow.Cells.Add(cell);}break;}}if (k != row - 1){//不是起始行,加入新行标签//cell.Text = cell.Text + "</th></tr><tr>";}table.Rows.AddAt(k, trow);}}/**//// <summary>/// 如果上一行已经输出和当前内容相同的列头，则不显示/// </summary>/// <param name="ColumnList">表头集合</param>/// <param name="rowIndex">行索引</param>/// <param name="colIndex">列索引</param>/// <returns>1:显示,-1:含','分隔符,0:不显示</returns>private int IsVisible(string[,] ColumnList, int rowIndex, int colIndex, string CurrName){if (rowIndex != 0){if (ColumnList[colIndex, rowIndex - 1] == CurrName){return 0;}else{if (ColumnList[colIndex, rowIndex].Contains(",")){return -1;}else{return 1;}}}return 1;}/**//// <summary>/// 取得和当前索引行及列对应的下级的内容所跨的行数/// </summary>/// <param name="ColumnList">表头集合</param>/// <param name="row">行数</param>/// <param name="rowIndex">行索引</param>/// <param name="colIndex">列索引</param>/// <returns>行数</returns>private int GetSpanRowCount(string[,] ColumnList, int row, int rowIndex, int colIndex){string LastName = "";int RowSpan = 1;for (int k = rowIndex; k < row; k++){if (ColumnList[colIndex, k] == LastName){RowSpan++;}else{LastName = ColumnList[colIndex, k];}}return RowSpan;}/**//// <summary>/// 取得和当前索引行及列对应的下级的内容所跨的列数/// </summary>/// <param name="ColumnList">表头集合</param>/// <param name="row">行数</param>/// <param name="col">列数</param>/// <param name="rowIndex">行索引</param>/// <param name="colIndex">列索引</param>/// <returns>列数</returns>private int GetSpanColCount(string[,] ColumnList, int row, int col, int rowIndex, int colIndex){string LastName = ColumnList[colIndex, rowIndex];int ColSpan = ColumnList[colIndex, row - 1].Split(new char[] { ',' }).Length;ColSpan = ColSpan == 1 ? 0 : ColSpan;for (int i = colIndex + 1; i < col; i++){if (ColumnList[i, rowIndex] == LastName){ColSpan += ColumnList[i, row - 1].Split(new char[] { ',' }).Length;}else{LastName = ColumnList[i, rowIndex];break;}}return ColSpan;}/**//// <summary>/// 将已定义的表头保存到数组/// </summary>/// <param name="newHeaders">新表头</param>/// <param name="row">行数</param>/// <param name="col">列数</param>/// <returns>表头数组</returns>private string[,] ConvertList(string newHeaders, int row, int col){string[] ColumnNames = newHeaders.Split(new char[] { '#' });string[,] news = new string[col, row];string Name = "";for (int i = 0; i < col; i++){string[] CurrColNames = ColumnNames[i].ToString().Split(new char[] { ' ' });for (int k = 0; k < row; k++){if (CurrColNames.Length - 1 >= k){if (CurrColNames[k].Contains(",")){if (CurrColNames.Length != row){if (Name == ""){news[i, k] = news[i, k - 1];Name = CurrColNames[k].ToString();}else{news[i, k + 1] = Name;Name = "";}}else{news[i, k] = CurrColNames[k].ToString();}}else{news[i, k] = CurrColNames[k].ToString();}}else{if (Name == ""){news[i, k] = news[i, k - 1];}else{news[i, k] = Name;Name = "";}}}}return news;}/**//// <summary>/// 取得复合表头的行数/// </summary>/// <param name="newHeaders">新表头</param>/// <returns>行数</returns>private int GetRowCount(string newHeaders){string[] ColumnNames = newHeaders.Split(new char[] { '#' });int Count = 0;foreach (string name in ColumnNames){int TempCount = name.Split(new char[] { ' ' }).Length;if (TempCount > Count)Count = TempCount;}return Count;}/**//// <summary>/// 取得复合表头的列数/// </summary>/// <param name="newHeaders">新表头</param>/// <returns>列数</returns>private int GetColCount(string newHeaders){return newHeaders.Split(new char[] { '#' }).Length;}#endregion#region ASPxGridView列操作//#region 创建GridViewDataColumn列//public static GridViewDataColumn CreateDataColumn(string caption, string fieldName, int width, bool visible, int visibleIndex, DevExpress.Data.ColumnSortOrder sortOrder, ColumnFilterMode columnFilterMode, DevExpress.Web.ASPxClasses.DefaultBoolean autoFilter, DevExpress.Web.ASPxClasses.DefaultBoolean headerFilter)//{//    GridViewDataTextColumn column = new GridViewDataTextColumn();//    column.Caption = caption;//    column.FieldName = fieldName;//    if (width != 0) column.Width = width;//    column.Visible = visible;//    column.VisibleIndex = visibleIndex;//    column.SortOrder = sortOrder;//    column.Settings.AllowAutoFilter = autoFilter;//    column.Settings.AllowHeaderFilter = headerFilter;//    column.Settings.FilterMode = columnFilterMode;//    return column;//}//#endregion#region 显示隐藏列public void ChangeColumsDisplay(string[] displayFields, bool display){if (displayFields != null && displayFields.Length > 0){foreach (string item in displayFields){Grid.Columns[item].Visible = display;}}}#endregion#region 改变列的显示索引public void ChangeColumnsVisibleIndex(string[] fields, int[] newVisibleIndex){if (fields != null && fields.Length > 0){for (int i = 0; i < fields.Length; i++){Grid.Columns[fields[i]].VisibleIndex = newVisibleIndex[i];}}}#endregion#region 改变列标题public void ChangeColumnsCaption(string[] fields, string[] newCaption){if (fields != null && fields.Length > 0){for (int i = 0; i < fields.Length; i++){Grid.Columns[fields[i]].Caption = newCaption[i];}}}#endregion#endregion#region 设置ASPxGridView的列检索查询方式为模糊查询/// <summary>/// 设置ASPxGridView的列检索查询方式为模糊查询/// </summary>/// 在使用DevExpress.Web.v12.2, Version=12.2.5.0版本时为设置模糊过滤查询使用/// 使用方法：只需将该方法引用到页面的Page_Load事件中即可/// <param name="Grid">页面要设置的DevExpress.Web.ASPxGridView名</param>/// <returns></returns>public static void SetFilterCondition(ASPxGridView Grid){foreach (GridViewColumn col in Grid.Columns){GridViewDataColumn c = col as GridViewDataColumn;if ((c != null) && !(c.Grid.GetRowValues(0, c.FieldName) is int)){  //&& !(c.FieldName == "WZID" || c.FieldName == "jcwz.WZID")c.Settings.AutoFilterCondition = AutoFilterCondition.Contains;}}}#endregion}
}

ASPxGridViewHelper自定义多表头及合并单元格相关推荐

VUE Table复杂表格生成带格式的excel（多表头、合并单元格、边框、居中、背景）
VUE Table复杂表格生成带格式的excel(多表头.合并单元格.边框.居中.背景) 因为工作需要,在网上找了很多都不太行无意之间看到一个大佬的打码拿过来改了改居然可以用! 原文链接:https: ...
四种利用js导出Excel的方法（兼容IE6+、主流浏览器、支持复杂表头和合并单元格）
因为项目需求变更,最后决定使用做JS导出Excel,网上看了很多的帖子和例子,很多的例子并不能满足需求( 处理复杂表头,兼容主流浏览器,兼容IE等等).所以,自己找了几个比较不错的例子,在其基础上结合 ...
复杂的POI导出Excel表格（多行表头、合并单元格）
poi导出excel有两种方式: 第一种:从无到有的创建整个excel,通过HSSFWorkbook,HSSFSheet HSSFCell, 等对象一步一步的创建出工作簿,sheet,和单元格,并添加 ...
vue中表头 th 合并单元格，且表格列数不定的动态渲染方法
吐槽今天,在vue中遇到复杂表格的渲染 ,需要合并表头th的单元格,且合并单元格的那列的表头数据是动态数据,也就是不知道会有多少个表头列,而这几个表头列还分了好几个子表头.vue-split-ta ...
poi导出Excel报表多表头双层表头、合并单元格
效果图: controller层方法: /** * * 导出Excel报表 * @param request * @return * */ ...
html表格的表头怎么合并单元格,使用tableGrob合并表头单元格
我目前正在使用以下方法创建表格图像: SummaryTable index, xa, xb, ya, yb, za, zb ) names(SummaryTable) "Main X Sub ...
前端导出excel，复杂表头，合并单元格，自定义样式
Vue前端接收数据并导出excel表格根据业务需求,一般在前后端分离的开发模式下,很多导出excel表格都是后端进行处理.可总不会避免前端拿到数据进行导出excel,根据这个情况,现在写一下我遇到并 ...
基于EasyExcel模板填充方式进行二次导出（动态表头、合并单元格问题处理）
【Easyexcel】使用easyexcel导出带有固定表头的excel代码，并且有合并单元格操作
以下是一个使用EasyExcel导出带有固定表头并且带有合并单元格的Excel代码示例: //创建excel对象 ExcelWriter writer = EasyExcel.write(" ...

ASPxGridViewHelper自定义多表头及合并单元格

ASPxGridViewHelper自定义多表头及合并单元格相关推荐

最新文章

热门文章