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public
void saveValue(string
Name, string
Value)
{ ConfigurationManager.AppSettings.Set(Name, Value);
Configuration config = ConfigurationManager.OpenExeConfiguration(Application.ExecutablePath);
config.AppSettings.Settings[Name].Value = Value;
config.Save(ConfigurationSaveMode.Modified);
config = null;
} |
用上面的函数总是等到程序运行结束，才将数据保存进去。
所以我们换了一种方式，以xml的方式进行保存及读取。直接上代码。
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public
static void SetAppConfig(string
appKey, string
appValue)
{ XmlDocument xDoc = new
XmlDocument();
xDoc.Load(System.Windows.Forms.Application.ExecutablePath + ".config");
var
xNode = xDoc.SelectSingleNode("//appSettings");
var
xElem = (XmlElement)xNode.SelectSingleNode("//add[@key=‘"
+ appKey + "‘]");
if
(xElem != null) xElem.SetAttribute("value", appValue);
else
{
var
xNewElem = xDoc.CreateElement("add");
xNewElem.SetAttribute("key", appKey);
xNewElem.SetAttribute("value", appValue);
xNode.AppendChild(xNewElem);
}
xDoc.Save(System.Windows.Forms.Application.ExecutablePath + ".config");
}public
static string GetAppConfig(string
appKey)
{ XmlDocument xDoc = new
XmlDocument();
xDoc.Load(System.Windows.Forms.Application.ExecutablePath + ".config");
var
xNode = xDoc.SelectSingleNode("//appSettings");
var
xElem = (XmlElement)xNode.SelectSingleNode("//add[@key=‘"
+ appKey + "‘]");
if
(xElem != null)
{
return
xElem.Attributes["value"].Value;
}
return
string.Empty;
} |
使用方式
设置
SetAppConfig("SourceDBIP", txtSourceAddress.Text.Trim());
读取
Setting.GetAppConfig("SourceDBIP")