由于项目需要制作一个可通用的报表多行标题，且可实现各种类型的内容显示，包括文本、输入框、下拉框、多选框等（自定的显示内容可自行扩展）,并支持参数绑定转换，效果如下：
源码结构
ColumnItem类：对列的宽度，对象方式，显示类型，绑定名称，converter资源进行设置
/// <summary> /// 描述 <see cref="ColumnItem"/> 动态列项目，用于在后台构建多列标题绑定项 /// </summary> [Serializable] public sealed class ColumnItem : NotifyPropertyChangedBase, ICloneable { /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例，一般用于顶级标题栏 /// </summary> /// <param name="name">默认列名</param> public ColumnItem(String name) : this(name, "") { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="bindingName">绑定名称</param> public ColumnItem(String name, String bindingName) : this(name, bindingName, "", "", HorizontalAlignment.Left, 80) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> /// <param name="visibility">是否显示</param> public ColumnItem(String name, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width, Visibility visibility) : this(name, "", bindingName, converterResourceKey, stringFormat, alignment, width, visibility, ColumnType.TextBlock) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> public ColumnItem(String name, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width) : this(name, "", bindingName, converterResourceKey, stringFormat, alignment, width, Visibility.Visible, ColumnType.TextBlock) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="extendName">扩展列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> public ColumnItem(String name, String extendName, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width) : this(name, extendName, bindingName, converterResourceKey, stringFormat, alignment, width, Visibility.Visible, ColumnType.TextBlock) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> /// <param name="columnType">数据模板内容类型</param> public ColumnItem(String name, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width, ColumnType columnType) : this(name, "", bindingName, converterResourceKey, stringFormat, alignment, width, Visibility.Visible, columnType) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="extendName">扩展列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> /// <param name="columnType">数据模板内容类型</param> public ColumnItem(String name, String extendName, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width, Visibility visibility) : this(name, extendName, bindingName, converterResourceKey, stringFormat, alignment, width, visibility, ColumnType.TextBlock) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="extendName">扩展列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> /// <param name="columnType">数据模板内容类型</param> public ColumnItem(String name, String extendName, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width, ColumnType columnType) : this(name, extendName, bindingName, converterResourceKey, stringFormat, alignment, width, Visibility.Visible, columnType) { } /// <summary> /// 实例化 <see cref="ColumnItem"/> 类新实例 /// </summary> /// <param name="name">默认列名</param> /// <param name="extendName">扩展列名</param> /// <param name="bindingName">绑定名称</param> /// <param name="converterResourceKey">绑定的资源键(传递此资源时，要在资源中声明)</param> /// <param name="stringFormat">字符串格式</param> /// <param name="alignment">对齐方式</param> /// <param name="width">列宽</param> /// <param name="visibility">是否显示</param> /// <param name="columnType">数据模板内容类型</param> public ColumnItem(String name, String extendName, String bindingName, String converterResourceKey, String stringFormat, HorizontalAlignment alignment, int width, Visibility visibility, ColumnType columnType) { this.ID = Guid.NewGuid(); if (String.IsNullOrWhiteSpace(name)) { throw new ArgumentNullException("titleName", "标题不能为 null 或 空白字符串。"); } this.Name = name; this.ExtendName = extendName; this.BindingName = (String.IsNullOrWhiteSpace(bindingName)) ? "simple" : bindingName; this.ConverterResourceKey = converterResourceKey; this.StringFormat = stringFormat; this.Alignment = alignment; this.Width = width; this.Visibility = visibility; this.Type = columnType; this.Columns = new ColumnItemCollection(this); //初始化 this.Level = 0; //默认 this.TextWrapping = System.Windows.TextWrapping.NoWrap; } private Int32 mWidth; private Visibility mVisibility; private HorizontalAlignment mAlignment; public Guid ID { get; private set; } /// <summary> /// 列宽 /// </summary> public Int32 Width { get { return mWidth; } set { mWidth = value; OnPropertyChanged("Width"); } } /// <summary> /// 列显示 /// </summary> public Visibility Visibility { get { return mVisibility; } set { mVisibility = value; OnPropertyChanged("Visibility"); } } /// <summary> /// 获取或设置水平对齐方式 /// </summary> public HorizontalAlignment Alignment { get { return mAlignment; } set { mAlignment = value; OnPropertyChanged("Alignment"); } } /// <summary> /// 默认列名 /// </summary> public String Name { get; private set; } /// <summary> /// 扩展列名 /// </summary> public String ExtendName { get; set; } /// <summary> /// 绑定名称 /// </summary> public String BindingName { get; set; } /// <summary> /// 获取或设置转换资源键 /// </summary> public String ConverterResourceKey { get; set; } /// <summary> /// 获取或设置字符串格式 /// </summary> public String StringFormat { get; set; } /// <summary> /// 控件类型 /// </summary> public ColumnType Type { get; set; } /// <summary> /// 获取或设置是否自动换行(默认为 NoWrap) /// </summary> public TextWrapping TextWrapping { get; set; } public ColumnComboBox ColumnComboBox { get; set; } /// <summary> /// 获取列集合 /// </summary> public ColumnItemCollection Columns { get; private set; } /// <summary> /// 获取级别 /// </summary> public int Level { get; internal set; } /// <summary> /// 获取父级 /// </summary> public ColumnItem Parent { get; internal set; } /// <summary> /// 获取子级深度 /// </summary> /// <returns></returns> public int ChildLevelDepth() { if (this.Columns.Count > 0) { return this.CalcLevelDepth(true) - this.Level; } else { return 0; } } /// <summary> /// 计算获取级别深度 /// </summary> /// <param name="child">计算子级</param> /// <returns></returns> private int CalcLevelDepth(bool child) { if (this.Columns.Count > 0) { int level = this.Columns.Max(c => c.CalcLevelDepth(child)); if (child) { return level; } else { return level - this.Level; } } else { return this.Level; } } /// <summary> /// 获取当前列的所有最后子集的总数 /// </summary> /// <returns></returns> public int LastLevelColumnCount() { int value = 0; if (this.Columns.Count > 0) { value += this.Columns.Sum(c => c.LastLevelColumnCount()); } else { value = 1; } return value; } /// <summary> /// 合计总宽度 /// </summary> /// <returns></returns> public int TotalGroupWidth() { int value; if (this.Columns.Count > 0) { value = this.Columns.Sum(c => c.TotalGroupWidth()); } else { value = this.Width; } return value; } /// <summary> /// 验证(必须设置绑定值) /// </summary> internal void CreateVerify() { if (this.Columns.Count == 0) { if (String.IsNullOrWhiteSpace(this.BindingName)) { throw new ArgumentNullException(String.Format("{0} 为末级时，绑定路径 BindingPath 为 null 或空白字符串。", this.Name)); } } } public void SetColumnComboBox(ColumnComboBox columnComboBox) { this.ColumnComboBox = columnComboBox; } #region ICloneable ColumnItem 对象深度复制 public object Clone() { ColumnItem item = (ColumnItem)this.MemberwiseClone(); item.Parent = null; item.Name = this.Name; item.ExtendName = this.ExtendName; item.Columns = new ColumnItemCollection(item); foreach (var o in this.Columns) { var _o = (ColumnItem)o.Clone(); _o.Parent = null; item.Columns.Add(_o); } return item; } private void OnClone(ColumnItemCollection collection, ColumnItemCollection collection2) { foreach (var item in collection2) { var _o = (ColumnItem)item.Clone(); if (item.Columns.Count > 0) { OnClone(item.Columns, item.Columns); } collection.Add(_o); } } #endregion } [Serializable] public class ColumnComboBox : NotifyPropertyChangedBase { public ColumnComboBox(String comboBoxBindName) : this(comboBoxBindName, "", "", "") { } public ColumnComboBox(String comboBoxBindName, String selectedItemBindName) : this(comboBoxBindName, selectedItemBindName, "", "") { } public ColumnComboBox(String comboBoxBindName, String selectedItemBindName, String selectedValuePath, String displayMemberPath) { this.mComboBoxBindName = comboBoxBindName; this.mSelectedItemBindName = selectedItemBindName; this.mSelectedValuePath = selectedValuePath; this.mDisplayMemberPath = displayMemberPath; } private String mSelectedItemBindName; private String mComboBoxBindName; private String mSelectedValuePath = ""; private String mDisplayMemberPath = ""; private ObservableCollection<string> itemSource; // /// <summary> /// 绑定资源 /// </summary> public String ComboBoxBindName { get { return mComboBoxBindName; } set { mComboBoxBindName = value; } } /// <summary> /// 选中值 /// </summary> public string SelectedValuePath { get { return mSelectedValuePath; } set { mSelectedValuePath = value; } } /// <summary> /// 显示值 /// </summary> public string DisplayMemberPath { get { return mDisplayMemberPath; } set { mDisplayMemberPath = value; } } public string SelectedItemBindName { get { return mSelectedItemBindName; } set { mSelectedItemBindName = value; } } }
报表内容中需要其他类型时，扩展IDataGridDataTemplateService接口
/// <summary> /// <see cref="DataGrid"/>控件数据模板<see cref="DataTemplate"/>构建服务， /// 根据<see cref="DataTemplate"/>的内容多样性构建不同的显示控件，主要针对单一控件显示 /// </summary> public interface IDataGridDataTemplateService { /// <summary> /// 动态构内容绑定模板 /// </summary> /// <param name="column">自定义列信息</param> /// <param name="bindingParameter">是否参数转换</param> /// <param name="gridColum">绑定的子列索引 </param> /// <returns></returns> String CreateCellXaml(ColumnItem column, bool bindingParameter, int? gridColum); }
DataGridTemplateColumnHelper核心类，组织动态的列标题以及绑定列，可在下载源码参考。
/// <summary> /// 自定义模板列构建帮助类 /// </summary> internal static class DataGridTemplateColumnHelper { /// <summary> /// 设置标题Grid列宽度，组织出一个复杂的标题格式 /// </summary> /// <param name="sbStr">标题字符串</param> /// <param name="column">列</param> /// <param name="index">列索引，用于控制标题内容显示的边线</param> private static void SetColumnDefinition(StringBuilder sbStr, ColumnItem column, ref int index) { if (column.Columns.Count > 0) { foreach (var item in column.Columns) { SetColumnDefinition(sbStr, item, ref index); } } else //默认包含一列 { if (index > 0) //当index>0时，添加一个右侧的Rectangle矩形图形边线位置，默认是左侧和右侧是不绘制边线 { sbStr.AppendLine("<ColumnDefinition Width="1" />"); } //添加一个标题的显示内容列，并设置固定宽度 sbStr.AppendLine(String.Format("<ColumnDefinition Width="{0}*"/>", column.Width)); index++; } } /// <summary> /// 设置标题内容 /// </summary> /// <param name="sbStr"></param> /// <param name="column">当前列</param> /// <param name="totalcolumnCount">总列数</param> /// <param name="colIndex">内容索引列</param> private static void SetContentPresenter(StringBuilder sbStr, ColumnItem column, int totalcolumnCount, ref int colIndex) { //计算出当前列所占的Grid的ColumnDefinition数目 int columnOffset = column.LastLevelColumnCount() * 2 - 1; //计算当前列在整个标题中的标题行深度 int LevelDepth = column.Parent.ChildLevelDepth(); //用于控制绘制标题内容下面显示下线，以及当前显示标题的Grid.RowSpan int rowOffset; //一般情况默认为1 if (column.Columns.Count == 0)// { rowOffset = LevelDepth * 2 - 1; } else { rowOffset = 1; // } //计算出当前标题在第几个RowDefinition画内容下边线 int lineRow = (column.Level * 2 + 1) + (rowOffset - 1); //计算出当前标题在第几个ColumnDefinition画内容右边线 int lineColumn = (colIndex + 1) + (columnOffset - 1); //画标题，并设置当前标题在Grid中的定位 sbStr.AppendLine( CreateDataGridTemplateColumnHeaderContent( String.IsNullOrWhiteSpace(column.ExtendName) ? column.Name : column.ExtendName, //标题显示内容 column.Level * 2, //所属行，标题内容显示的Grid.Row rowOffset, //标题内容显示的Grid.RowSpan colIndex, //标题内容显示的Grid.Column列 columnOffset //标题内容显示的Grid.ColumnSpan )); //存在子级，时添加下线 if (column.Columns.Count > 0) { sbStr.AppendLine(String.Format("<Rectangle Fill="#FFC9CACA" VerticalAlignment="Stretch" Height="1" Grid.Row="{0}" Grid.Column="{1}" Grid.RowSpan="{2}" Grid.ColumnSpan="{3}" />", lineRow, colIndex, 1, columnOffset)); } //标题右侧下线 if (lineColumn < (totalcolumnCount * 2 - 1)) { sbStr.AppendLine(String.Format("<Rectangle Fill="#FFC9CACA" VerticalAlignment="Stretch" Width="1" Visibility="Visible" Grid.Row="{0}" Grid.Column="{1}" Grid.RowSpan="{2}" Grid.ColumnSpan="{3}" />", column.Level * 2, lineColumn, rowOffset, 1)); } //存在子级，先从子级起画 if (column.Columns.Count > 0) { foreach (var item in column.Columns) { SetContentPresenter(sbStr, item, totalcolumnCount, ref colIndex); } } else { colIndex += 2; //含分隔线 } } /// <summary> /// 设置单元格绑定 /// </summary> /// <param name="sbStr"></param> /// <param name="column"></param> /// <param name="bindingParameter"></param> /// <param name="index"></param> private static void SetCellBinding(StringBuilder sbStr, ColumnItem column, bool bindingParameter, ref int index) { if (column.Columns.Count > 0) { foreach (var item in column.Columns) { SetCellBinding(sbStr, item, bindingParameter, ref index); } } else { if (index > 0) { sbStr.AppendLine(String.Format("<Rectangle Fill="#FFC9CACA" VerticalAlignment="Stretch" Grid.Column="{0}"/>", index)); index++; } //构建指定类型的项绑定 IDataGridDataTemplateFactory templateFactory = ServiceFactory.GetService<IDataGridDataTemplateFactory>(); IDataGridDataTemplateService templateService = templateFactory.GetService(column.Type); sbStr.AppendLine(templateService.CreateCellXaml(column, bindingParameter, index)); index++; } } /// <summary> /// 设置单元格列宽 /// </summary> /// <param name="sbStr"></param> /// <param name="column"></param> /// <param name="index"></param> private static void SetCellColumnDefinition(StringBuilder sbStr, ColumnItem column, ref int index) { if (column.Columns.Count > 0) { foreach (var item in column.Columns) { SetCellColumnDefinition(sbStr, item, ref index); } } else { if (index > 0) { sbStr.AppendLine("<ColumnDefinition Width="1" />"); } sbStr.AppendLine(String.Format("<ColumnDefinition Width="{0}*"/>", column.Width)); index++; } } /// <summary> /// 创建组列 /// </summary> /// <param name="column">列</param> /// <param name="bindingParameter">是否是参数</param> /// <returns></returns> public static DataGridTemplateColumn CreateTemplateGroupColumn(ColumnItem column, bool bindingParameter) { var templateColumn = new DataGridTemplateColumn(); //当前列包含的子级深度 int LevelDepth = column.ChildLevelDepth(); //获取当前列子级的总列数 int totalcolumnCount = column.LastLevelColumnCount(); // //设置当前列的宽度 templateColumn.Width = new DataGridLength(column.TotalGroupWidth() + LevelDepth); //构建HeaderStyle以及CellTemplate模板 //动态构建标题样式 DataGridTemplateColumn.HeaderStyle #region 构建多行标题 var sbHeaderStr = new StringBuilder(); sbHeaderStr.AppendLine("<Grid.RowDefinitions>"); for (int i = 0; i <= LevelDepth; i++) { if (i > 0) { sbHeaderStr.AppendLine("<RowDefinition Height="1" />"); //构建分割线， } if (i < LevelDepth) { sbHeaderStr.AppendLine("<RowDefinition Height="25" />"); //内容区域 } else { sbHeaderStr.AppendLine("<RowDefinition Height="*" MinHeight="25"/>"); //内容区域 } } sbHeaderStr.AppendLine("</Grid.RowDefinitions>"); sbHeaderStr.AppendLine("<Grid.ColumnDefinitions>"); int index = 0; foreach (var item in column.Columns) { SetColumnDefinition(sbHeaderStr, item, ref index); } sbHeaderStr.AppendLine("</Grid.ColumnDefinitions>"); int columnOffset = totalcolumnCount * 2 - 1; sbHeaderStr.AppendLine(CreateDataGridTemplateColumnHeaderContent(String.IsNullOrWhiteSpace(column.ExtendName) ? column.Name : column.ExtendName, -1, -1, -1, columnOffset)); sbHeaderStr.AppendLine(String.Format("<Rectangle Fill="#FFC9CACA" VerticalAlignment="Stretch" Height="1" Grid.Row="1" Grid.ColumnSpan="{0}" />", columnOffset)); index = 0; foreach (var item in column.Columns) { SetContentPresenter(sbHeaderStr, item, totalcolumnCount, ref index); } var headerStyleStr = HeaderStyleString(); headerStyleStr = headerStyleStr.Replace("{#content#}", sbHeaderStr.ToString()); templateColumn.HeaderStyle = (Style)XamlReader.Parse(headerStyleStr); #endregion //动态构建绑定DataTemplate DataGridTemplateColumn.CellTemplate #region 构建多行标题数据绑定模板 var sbCellTempStr = new StringBuilder(); sbCellTempStr.AppendLine("<Grid.ColumnDefinitions>"); index = 0; foreach (var item in column.Columns) { SetCellColumnDefinition(sbCellTempStr, item, ref index); } sbCellTempStr.AppendLine("</Grid.ColumnDefinitions>"); index = 0; foreach (var item in column.Columns) { SetCellBinding(sbCellTempStr, item, bindingParameter, ref index); } var cellTemplateStr = CellDataTemplateString(); cellTemplateStr = cellTemplateStr.Replace("{#content#}", sbCellTempStr.ToString()); templateColumn.CellTemplate = (DataTemplate)XamlReader.Parse(cellTemplateStr); #endregion return templateColumn; } /// <summary> /// 动态构建标题模板 /// </summary> /// <param name="sbStr">目标结果</param> /// <param name="title">标题名称</param> /// <param name="row">所属Grid行Grid.Row</param> /// <param name="rowSpan">所属合并行Grid.RowSpan</param> /// <param name="column">所属Grid列Grid.Column</param> /// <param name="columnSpan">所属合并列Grid.ColumnSpan</param> private static String CreateDataGridTemplateColumnHeaderContent(String title, int row, int rowSpan, int column, int columnSpan) { StringBuilder sbStr = new StringBuilder(); sbStr.AppendLine("<ContentPresenter VerticalAlignment="Center" HorizontalAlignment="Center""); if (row > 0) { sbStr.AppendFormat(" Grid.Row="{0}"", row); } if (rowSpan > 0) { sbStr.AppendFormat(" Grid.RowSpan="{0}"", rowSpan); } if (column > 0) { sbStr.AppendFormat(" Grid.Column="{0}"", column); } if (columnSpan > 0) { sbStr.AppendFormat(" Grid.ColumnSpan="{0}"", columnSpan); } sbStr.Append(">"); sbStr.AppendLine("<ContentPresenter.Content>"); sbStr.AppendLine(String.Format("<TextBlock Text="{0}" TextAlignment="Center" TextWrapping="Wrap" />", title)); sbStr.AppendLine("</ContentPresenter.Content>"); sbStr.AppendLine("</ContentPresenter>"); return sbStr.ToString(); } /// <summary> /// 创建单列 /// </summary> /// <param name="column"></param> /// <param name="bindingParameter"></param> /// <returns></returns> public static DataGridTemplateColumn CreateTemplateSingleColumn(ColumnItem column, bool bindingParameter) { if (column == null) { throw new ArgumentNullException("column"); } if (String.IsNullOrWhiteSpace(column.BindingName)) { throw new ArgumentNullException("column.BindingName", "末级列的绑定名称不能为 null 或空白字符串。"); } //创建DataGrid的列 var templateColumn = new DataGridTemplateColumn(); //设置列的宽度 templateColumn.Width = new DataGridLength(column.Width); //构建模板字符串 var sbStr = new StringBuilder(); //根据模板创建标题 sbStr.AppendLine(CreateDataGridTemplateColumnHeaderContent(String.IsNullOrWhiteSpace(column.ExtendName) ? column.Name : column.ExtendName, -1, -1, -1, -1)); //动态构建标题样式 DataGridTemplateColumn.HeaderStyle #region DataGridTemplateColumn.HeaderStyle var headerStyleStr = HeaderStyleString(); headerStyleStr = headerStyleStr.Replace("{#content#}", sbStr.ToString()); templateColumn.HeaderStyle = (Style)XamlReader.Parse(headerStyleStr); sbStr.Clear(); #endregion //动态构建绑定DataTemplate DataGridTemplateColumn.CellTemplate #region DataGridTemplateColumn.CellTemplate //构建绑定模板 IDataGridDataTemplateFactory templateFactory = ServiceFactory.GetService<IDataGridDataTemplateFactory>(); IDataGridDataTemplateService templateService = templateFactory.GetService(column.Type); sbStr.AppendLine(templateService.CreateCellXaml(column, bindingParameter, null)); String cellTemplateStr = CellDataTemplateString(); cellTemplateStr = cellTemplateStr.Replace("{#content#}", sbStr.ToString()); templateColumn.CellTemplate = (DataTemplate)XamlReader.Parse(cellTemplateStr); #endregion return templateColumn; } #region 本地资源模板处理 private static object lockObj = new object(); private static String _HeaderStyleString = null; // private static String _CellDataTemplateString = null;// /// <summary> /// 获取标题样式 /// </summary> /// <returns></returns> public static String HeaderStyleString() { lock (lockObj) { if (_HeaderStyleString == null) { _HeaderStyleString = GetResourceXamlString("HeaderStyle.xaml"); } return _HeaderStyleString; } } /// <summary> /// 获取单元格模板字符串 /// </summary> /// <returns></returns> public static String CellDataTemplateString() { lock (lockObj) { if (_CellDataTemplateString == null) { _CellDataTemplateString = GetResourceXamlString("CellDataTemplate.xaml"); } return _CellDataTemplateString; } } /// <summary> /// 获取资源Xaml字符串 /// </summary> /// <param name="fileName">文件名称</param> /// <returns></returns> private static String GetResourceXamlString(String fileName) { var res = Application.GetResourceStream(new Uri(String.Format("pack://application:,,,/TGP.DataGridDemo;component/Template/{0}", fileName), UriKind.RelativeOrAbsolute)); using (var sr = new StreamReader(res.Stream)) { return sr.ReadToEnd(); } } #endregion }