SVN r902
SVN-Revision: r902
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tdx
@@ -7103,84 +7103,88 @@ namespace Lskj.Control
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private void BuildDynamicGroupedColumns(BandedGridControlEx bandedGridControlEx, DataTable originalDataSource)
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{
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bandedGridControlEx.BandedView.BeginUpdate();
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// 数据源改变时必须重复执行此逻辑
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bandedGridControlEx.BandedView.OptionsView.ColumnAutoWidth = false;
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// 获取你的定义的主键、分组列、聚合数据列
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/* ========= 0. 取列定义 ========= */
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GridColumnModel GroupPrimary = ColumnList.FirstOrDefault(o => o.IsCustomGroupPrimary);
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GridColumnModel GroupFieldprimary = ColumnList.FirstOrDefault(o => o.IsCustomGroupField == 1);
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List<GridColumnModel> GroupField = ColumnList.Where(o => o.IsCustomGroupField == 2).ToList();
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List<GridColumnModel> GroupField = ColumnList.Where(o => o.IsCustomGroupField == 2 || o.IsCustomGroupField == 4).ToList(); // 4 = 特殊字段
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List<GridColumnModel> sumField = ColumnList.Where(o => o.IsCustomGroupField == 3).ToList();
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if (GroupPrimary == null || GroupFieldprimary == null || !GroupField.Any())
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return; // 数据不足直接退出
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if (GroupPrimary == null || GroupFieldprimary == null || !GroupField.Any()) return;
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// 清理现有结构
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/* ========= 1. 清空现有列 ========= */
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bandedGridControlEx.BandedView.Bands.Clear();
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bandedGridControlEx.BandedView.Columns.Clear();
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// 保留其他非聚合列
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/* ========= 2. 创建“基本信息”Band ========= */
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List<GridColumnModel> normalColumns = ColumnList.Where(o => o.IsCustomGroupField == 0 || o.IsCustomGroupField == 3).ToList();
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// 创建正常列的Band
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GridBand normalBand = new GridBand() { Caption = "基本信息" };
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normalBand.Fixed = FixedStyle.Left;
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GridBand normalBand = new GridBand { Caption = "基本信息", Fixed = FixedStyle.Left };
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bandedGridControlEx.BandedView.Bands.Add(normalBand);
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// 添加正常列到Band中
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foreach (var normalCol in normalColumns)
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{
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if (originalDataSource.Columns.Contains(normalCol.FieldName))
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if (!originalDataSource.Columns.Contains(normalCol.FieldName)) continue;
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BandedGridColumn col = new BandedGridColumn
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{
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BandedGridColumn col = new BandedGridColumn()
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{
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FieldName = normalCol.FieldName,
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Caption = normalCol.FieldText,
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Width = normalCol.Width,
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Visible = normalCol.Visible,
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Tag = normalCol,
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//MinWidth = normalCol.Width,
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//MaxWidth = normalCol.Width,
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OptionsColumn = { AllowEdit = normalCol.Edit, FixedWidth = true }
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};
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if (!normalCol.Edit)
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{
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col.AppearanceHeader.Options.UseForeColor = true;
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col.AppearanceHeader.ForeColor = ColorTranslator.FromHtml(HeaderColor);
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}
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if (normalCol.CanNull)
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{
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col.AppearanceHeader.Options.UseForeColor = true;
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col.AppearanceHeader.ForeColor = RequiredForceColor;
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}
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bandedGridControlEx.SetColumnFormat(col, normalCol);
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normalBand.Columns.Add(col);
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bandedGridControlEx.BandedView.Columns.Add(col);
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FieldName = normalCol.FieldName,
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Caption = normalCol.FieldText,
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Width = normalCol.Width,
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Visible = normalCol.Visible,
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Tag = normalCol,
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OptionsColumn = { AllowEdit = normalCol.Edit, FixedWidth = true }
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};
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if (!normalCol.Edit)
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{
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col.AppearanceHeader.Options.UseForeColor = true;
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col.AppearanceHeader.ForeColor = ColorTranslator.FromHtml(HeaderColor);
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}
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if (normalCol.CanNull)
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{
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col.AppearanceHeader.Options.UseForeColor = true;
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col.AppearanceHeader.ForeColor = RequiredForceColor;
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}
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bandedGridControlEx.SetColumnFormat(col, normalCol);
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normalBand.Columns.Add(col);
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bandedGridControlEx.BandedView.Columns.Add(col);
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}
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// 取得动态列名（自动处理 DateTime、string 及其它类型，不会抛转换异常）
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/* ========= 3. 生成动态表头列表 ========= */
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var dynamicHeaders = originalDataSource.AsEnumerable()
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.Select(r => r[GroupFieldprimary.FieldName]) // 先拿 object
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.Where(v => v != null && v != DBNull.Value) // 过滤空值
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.Select(v => v is DateTime dt // ↙︎ DateTime 转指定格式
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? dt.ToString("yyyy-MM-dd")
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: v.ToString()) // 其它类型直接 ToString()
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.Select(r => r[GroupFieldprimary.FieldName])
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.Where(v => v != null && v != DBNull.Value)
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.Select(v => v is DateTime dt ? dt.ToString("yyyy-MM-dd") : v.ToString())
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.Distinct()
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.ToList();
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// 为每个动态表头生成GridBand，并添加子列
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/* ========= 4. 生成动态 Band + 子列 ========= */
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foreach (string headerName in dynamicHeaders)
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{
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GridBand dynamicBand = new GridBand() { Caption = headerName };
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GridBand dynamicBand = new GridBand { Caption = headerName };
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bandedGridControlEx.BandedView.Bands.Add(dynamicBand);
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// 尝试把 headerName 解析成日期，以便下面用星期几
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DateTime headerDate;
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bool isDateHeader = DateTime.TryParse(headerName, out headerDate);
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foreach (var subField in GroupField)
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{
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string dynamicFieldName = $"{headerName}_{subField.FieldName}";
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BandedGridColumn subColumn = new BandedGridColumn()
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/* —— 计算子列 Caption —— */
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string subCaption = subField.FieldText; // 默认
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if (subField.IsCustomGroupField == 4 && isDateHeader)
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{
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// 将星期几转成中文“日一二三四五六”，根据需要可自行改动
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string[] cnWeek = { "日", "一", "二", "三", "四", "五", "六" };
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subCaption = cnWeek[(int)headerDate.DayOfWeek]; // 0=Sunday
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}
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BandedGridColumn subColumn = new BandedGridColumn
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{
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FieldName = dynamicFieldName,
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Caption = subField.FieldText,
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Caption = subCaption,
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Width = subField.Width,
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Visible = subField.Visible,
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Tag = subField,
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@@ -7203,12 +7207,23 @@ namespace Lskj.Control
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bandedGridControlEx.BandedView.Columns.Add(subColumn);
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}
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}
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bandedGridControlEx.BandedView.EndUpdate();
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// 构建最终动态数据源
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DataTable dynamicDataTable = BuildDynamicDataSource(originalDataSource, GroupPrimary, GroupFieldprimary, GroupField, normalColumns, sumField, dynamicHeaders);
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/* ========= 5. 构建最终数据源并绑定 ========= */
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DataTable dynamicDataTable = BuildDynamicDataSource(
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originalDataSource,
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GroupPrimary,
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GroupFieldprimary,
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GroupField,
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normalColumns,
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sumField,
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dynamicHeaders);
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bandedGridControlEx.gridControl.DataSource = dynamicDataTable;
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}
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/// <summary>
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/// 构建数据源
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/// </summary>
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