摘要：1.String.Join string[] s = { "我", "爱", "中","国" }; string s1=String.Join(" ",s); Console.WriteLine(s1); //输出：我 爱 中 国 Console.WriteLine(s1.Length);//长度为 阅读全文

摘要：/// <summary> /// /// </summary> /// <typeparam name="T"></typeparam> /// <param name="dtSource">数据集</param> /// <param name="filedName">列名</param> // 阅读全文

摘要：/// <summary> /// 获取字符串中的数字 /// </summary> /// <param name="str">字符串</param> /// <returns>数字</returns> public static decimal GetNumber(string str) { d 阅读全文

摘要：string text = @"var query = from info in infoList where info.AuditFlag == null || info.AuditFlag == false join emp in empList on info.SaleMan equals e 阅读全文

摘要：类： class AutoSizeFormClass { //(1).声明结构,只记录窗体和其控件的初始位置和大小。 public struct controlRect { public int Left; public int Top; public int Width; public int H 阅读全文