FredGrit

摘要： System.Threading.ThreadStateException: 'Current thread must be set to single thread apartment (STA) mode before OLE calls can be made. Ensure that you 阅读全文

摘要： static void ADO() { string connString = ConfigurationManager.ConnectionStrings["connString"].ToString(); using (SqlConnection conn = new SqlConnection(connStrin... 阅读全文

摘要： <DataGrid.RowStyle> <Style TargetType="DataGridRow"> <Setter Property="Background" > <Setter.Value> <Binding Path="SalesOrderDetailID" Converter="{Sta 阅读全文

摘要： 简化版： 效果如图： using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Drawing;using S 阅读全文

摘要： 负载因子(load factor)，它用来衡量哈希表的 空/满 程度，一定程度上也可以体现查询的效率，计算公式为: The ratio of the number of elements in the hash table to the table size iscalled the load fa 阅读全文

摘要： using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Reflection;using NPOI.XSSF 阅读全文

摘要： This artice will write the main step to export generic data via csv with complete code and step by step. 1.Down load EntityFramework Install-package e 阅读全文

摘要： using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using System.IO;using System.Threading; 阅读全文

摘要： 1.Nuget 下载NPOI; Install-package NPOI -version 2.4.1 2.下载EF install-package entityframework -version 6.2.0 3.添加数据，ef model.edmx 4.建议使用NPOI.XSSF.UserMod 阅读全文

摘要： https://stackoverflow.com/questions/17259280/how-do-you-change-background-for-a-button-mouseover-in-wpf <Window.Resources> <Style TargetType="{x:Type 阅读全文