WinForm Read and Write app. config file and restart program

2. Restarting the main program
4. System.Diagnostics.Process.Start (System.Reflection.Assembly.GetExecutingAssembly (). Location);
6. #region Read the App. config field value
8. Public static string Getconfigvalue (string appKey)
10. {
12. XmlDocument XDoc = new XmlDocument ();
14. Try
16. {
18. //cache path
20. Xdoc.load (System.Windows.Forms.Application.ExecutablePath + ". config");
22. System.Xml.XmlNode XNode;
24. System.Xml.XmlElement Xelem;
26. XNode = Xdoc.selectsinglenode ("//appsettings");
28. Xelem = (System.Xml.XmlElement) xnode.selectsinglenode ("//add[@key = '" + AppKey + "']");
30. if (xelem! = null)
32. return Xelem.getattribute ("value");
34. Else
36. return "";
38. }
40. Catch
42. {
44. return "";
46. }
48. }
54. Public static void Setconfigvalue (string AppKey, string appvalue)
56. {
58. XmlDocument XDoc = new XmlDocument ();
60. Xdoc.load (System.Windows.Forms.Application.ExecutablePath + ". config");
64. XmlNode XNode;
66. XmlElement xElem1;
68. XmlElement xElem2;
70. XNode = Xdoc.selectsinglenode ("//appsettings");
74. XElem1 = (XmlElement) xnode.selectsinglenode ("//add[@key = '" + AppKey + "']");
76. if (xElem1! = null) xelem1.setattribute ("value", appvalue);
78. Else
80. {
82. XELEM2 = Xdoc.createelement ("add");
84. Xelem2.setattribute ("key", AppKey);
86. Xelem2.setattribute ("value", appvalue);
88. Xnode.appendchild (XELEM2);
90. }
92. Xdoc.save (System.Windows.Forms.Application.ExecutablePath + ". config");
94. }
96. #endregion
    

        //Restarting the main program//System.Diagnostics.Process.Start (System.Reflection.Assembly.GetExecutingAssembly (). Location);        #regionRead and save the App. config field value Public Static stringGetconfigvalue (stringAppKey) {XmlDocument XDoc=NewXmlDocument (); Try            {                //Cache PathXdoc.load (System.Windows.Forms.Application.ExecutablePath +". config");                System.Xml.XmlNode XNode;                System.Xml.XmlElement Xelem; XNode= Xdoc.selectsinglenode ("//appsettings"); Xelem= (System.Xml.XmlElement) Xnode.selectsinglenode ("//add[@key = '"+ AppKey +"']"); if(Xelem! =NULL)                    returnXelem.getattribute ("value"); Else                    return ""; }            Catch            {                return ""; }        }         Public Static voidSetconfigvalue (stringAppKey,stringappvalue) {XmlDocument XDoc=NewXmlDocument (); Xdoc.load (System.Windows.Forms.Application.ExecutablePath+". config");            XmlNode XNode;            XmlElement xElem1;            XmlElement xElem2; XNode= Xdoc.selectsinglenode ("//appsettings"); XElem1= (XmlElement) Xnode.selectsinglenode ("//add[@key = '"+ AppKey +"']"); if(XElem1! =NULL) Xelem1.setattribute ("value", Appvalue); Else{xElem2= Xdoc.createelement ("Add"); Xelem2.setattribute ("Key", AppKey); Xelem2.setattribute ("value", Appvalue);            Xnode.appendchild (XELEM2); } xdoc.save (System.Windows.Forms.Application.ExecutablePath+". config"); }        #endregion

WinForm Read and Write app. config file and restart program