Check User available in that Sharepoint Group or Not using SP Object Model

If the User available in that SP Group or Not via SP Object Model



private void GetSecurityGroup()

{

// Write your code here.

string SecurityGroupflag = "";

using (SPSite siteCollection = SPContext.Current.Site)

//using (SPSite siteCollection = new SPSite(properties.WebUrl))

{

using (SPWeb site = siteCollection.OpenWeb())

{

string groupName = "GWPSecurity";

//Get the current logged in user

SPUser currentUser = site.CurrentUser;

//Get all the user groups in the site/web

SPGroupCollection userGroups = currentUser.Groups;

//Loops through the groups and check if the user is part of given group or not.

foreach (SPGroup group in userGroups)

{

//Checking the group

if (group.Name.Contains(groupName))

{

SecurityGroupflag = "true";

break;

}

else

{

SecurityGroupflag = "false";

}

}

}

}

XPathNavigator datasource;

datasource = this.MainDataSource.CreateNavigator();

datasource.SelectSingleNode("/my:myFields/my:GWP_Security_Check_Group", NamespaceManager).SetValue(SecurityGroupflag);

}