App.Config manager Class

 1 public class Config
 2     {
 3         public Config()
 4         {
 5             //
 6             // TODO: 在此处添加构造函数逻辑
 7             //
 8         }
 9         public static string GetValue(string AppKey)
10         {
11             try
12             {
13                 string AppKeyValue;
14                 AppKeyValue = System.Configuration.ConfigurationSettings.AppSettings.Get(AppKey);
15                 return AppKeyValue;
16             } 
17             catch(Exception ex)
18             {
19                 throw ex;
20             }
21         }
22 
23         //写
24         public static void SetValue(string AppKey,string AppValue)
25         {
26             //System.Configuration.ConfigurationSettings.AppSettings.Set(AppKey,AppValue);
27             XmlDocument xDoc = new XmlDocument();
28             xDoc.Load(System.Windows.Forms.Application.ExecutablePath + ".config");
29     
30             XmlNode xNode;
31             XmlElement xElem1;
32             XmlElement xElem2;
33 
34             xNode =  xDoc.SelectSingleNode("//appSettings");
35    
36             xElem1 = (XmlElement)xNode.SelectSingleNode("//add[@key='" + AppKey + "']");
37             if ( xElem1 != null ) xElem1.SetAttribute("value",AppValue);
38             else
39             {
40                 xElem2 = xDoc.CreateElement("add");
41                 xElem2.SetAttribute("key",AppKey);
42                 xElem2.SetAttribute("value",AppValue);
43                 xNode.AppendChild(xElem2);
44             }
45             xDoc.Save(System.Windows.Forms.Application.ExecutablePath + ".config");
46         }
47 

Sample:

 1 //写配置文件    
 2             Config.SetValue("sPdfePath",txtPdfePath.Text);
 3             Config.SetValue("sPdfNewPath",txtPdfNewPath.Text);
 4             Config.SetValue("sPdfPath",txtPdfPath.Text);
 5             Config.SetValue("sPecFilePath",txtPecFilePath.Text );
 6             Config.SetValue("iProcNum",txtProcNum.Value.ToString());
 7 
 8 
 9 // 读取配置信息
10             sPdfPath = Config.GetValue("sPdfPath");
11             sPdfNewPath = Config.GetValue("sPdfNewPath");
12             sPdfePath = Config.GetValue("sPdfePath");
13             sPecFilePath = Config.GetValue("sPecFilePath");
14             bDelSrc = bool.Parse( Config.GetValue("bDelSrc"));
15             iProcNum = int.Parse(Config.GetValue("iProcNum"));