近日研究RDLC报表，发现其不能与RDL报表兼容，尤其是将RDL报表转换成RDLC报表。网上的资料贴出的的转换方式复杂且不切实际，遂决定深入研究。经研究发现，RDL报表与RDLC报表的XML格式有些差异，将RDL报表的XML格式改成与RDLC报表的XML格式相同，发现转换成功！ 如需转换123.rdl文件，只需RDLConvertRDLC("123.rdl")，即可转换成123.rdlc文件。由于本人对带命名空间的XML文件操作不熟悉，不能将除根节点意外的其他节点的xmlns属性只去掉，如有高手，欢迎指教！

        private void RDLConvertRDLC(string strFile){if(File.Exists(strFile)){try{XmlDocument xmlBak;XmlNamespaceManager nsMgrBak;XmlNodeList Reports;// 打开需转换的XML文件try{xmlBak = new XmlDocument();xmlBak.Load(strFile);nsMgrBak = new XmlNamespaceManager(xmlBak.NameTable);nsMgrBak.AddNamespace("nsBak", "http://schemas.microsoft.com/sqlserver/reporting/2010/01/reportdefinition");Reports = xmlBak.SelectSingleNode("/nsBak:Report", nsMgrBak).ChildNodes;}catch{File.Move(strFile, strFile + "c");return;}// 创建新的XML文件XmlDocument xmlDoc = new XmlDocument();XmlDeclaration dec = xmlDoc.CreateXmlDeclaration("1.0", "utf-8", null);xmlDoc.AppendChild(dec);// 创建一个根节点ReportXmlElement root = xmlDoc.CreateElement("Report");root.SetAttribute("xmlns:rd", "http://schemas.microsoft.com/SQLServer/reporting/reportdesigner");root.SetAttribute("xmlns", "http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition");xmlDoc.AppendChild(root);// 拷贝节点数据到新XML文件for (int i = 0; i < Reports.Count; i++){if (Reports[i].Name != "AutoRefresh"){if (Reports[i].Name == "ReportSections"){XmlNodeList ReportSections = xmlBak.SelectSingleNode("/nsBak:Report/nsBak:ReportSections/nsBak:ReportSection", nsMgrBak).ChildNodes;for (int j = 0; j < ReportSections.Count; j++){XmlElement newElement = (XmlElement)xmlDoc.ImportNode(ReportSections[j], true);newElement.SetAttribute("xmlns", "http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition");root.AppendChild(newElement);}}else{XmlElement newElement = (XmlElement)xmlDoc.ImportNode(Reports[i], true);newElement.SetAttribute("xmlns", "http://schemas.microsoft.com/sqlserver/reporting/2008/01/reportdefinition");root.AppendChild(newElement);}}}xmlDoc.Save(@strFile + "c");File.Delete(strFile);}catch (System.Exception ex){MessageBox.Show(ex.Message.ToString(), "错误", MessageBoxButtons.OK, MessageBoxIcon.Information);}}else{MessageBox.Show("文件"+strFile+"不存在！", "错误", MessageBoxButtons.OK, MessageBoxIcon.Information);}}}