#region dataGrid转换dataTable   /// <summary>   /// dataGrid转换dataTable   /// </summary>   /// <param name="dg">dataGrid</param>   /// <returns>返回dataTable</returns>   public DataTable DT(DataGrid dg)   {    try…

/* *引用 NuGet包 Spire.XLS */ /// <summary> /// Excel帮助类 /// </summary> public class ExcelHelper { /// <summary> /// 将Excel以文件流转换DataTable /// </summary> /// <param name="hasTitle">是否有表头</param> /// <param nam…

/// <summary> /// 将泛类型集合List类转换成DataTable /// </summary> /// <param name="list">泛类型集合</param> /// <returns></returns> public static DataTable ListToDataTable<T>(List<T> entitys) { //检查实体集合不能为空 if (…

public class List2DataTable     { public static string GetClassName(Type type) {             if (type == null) throw new ArgumentException("参数type不能为空"); if (type.HasAttribute<AliasAttribute>()) return type.GetAttribute<AliasAttribute&g…

public DataTable ToDataTable(DataRow[] rows) { if (rows == null || rows.Length == 0) return null; DataTable tmp = rows[0].Table.Clone(); // 复制DataRow的表结构 foreach (DataRow row in rows) tmp.Rows.Add(row.ItemArray); // 将DataRow添加到DataTable中 return tmp;…

DataTable dt = ... DataRow[] dr = dt.Select("ID=14"); dt = dr.CopyToDataTable();…

第一种: public static DataTable csvdatatable(string path) { DataTable dt = new DataTable(); string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";" + "Extended Properties='Excel 12.0 Xml;HDR=YES;IMEX=…

public static DataTable ListToTable<T>(List<T> list) {             Type type = typeof(T);             PropertyInfo[] proInfo = type.GetProperties();             DataTable dt = new DataTable();             foreach (PropertyInfo p in proInfo) {…

using System.Data; using System.IO;   /// <summary> /// Stream读取.csv文件 /// </summary> /// <param name="filePath">文件路径</param> /// <returns></returns> public static DataTable OpenCSV(string filePath) {     Data…

DECLARE @ItemMessage XML )) SET @ItemMessage=N' <ReceivablesInfos> <ReceivablesList> <LIFNR>0000xxxxxx</LIFNR> <NAME1>上海有限公司</NAME1> <BUKRS>lllC</BUKRS> <BUTXT>湖南用品有限公司</BUTXT> <CPUDT>2015-…