SharePoint 2007 Web Service: Create User Group

Use UserGroup.asmx to create User Group through a desktop application

Below is the C# function to call the UserGroup.asmx MOSS Web Service to create Uer Groups.
Add reference to UserGroup.asmx to your project and use the following code:

private void CreateUserGroup(string strGroupName, string strDescription)
{
try
{

    #region Connect to UserGroup.asmx

    this.objUserGroupService.Url = this.cmbURL.Text.Trim('/') + "/_vti_bin/UserGroup.asmx";

    string sDomain = string.Empty;
    string sUserName = this.txtLogin.Text.Trim();
    if (sUserName.IndexOf("\\") > 0)
    {
        sDomain = sUserName.Split("\\".ToCharArray())[0];
        sUserName = sUserName.Split("\\".ToCharArray())[1];
    }

    this.objUserGroupService.Credentials = new System.Net.NetworkCredential(sUserName, this.txtPassword.Text.Trim(), sDomain);

    #endregion

    this.objUserGroupService.AddGroup(strGroupName, this.txtLogin.Text.Trim(), "user", this.txtLogin.Text.Trim(), strDescription);
    this.WriteLog("Created Group: " + strGroupName);


}
catch (System.Exception ex)
{
    
    this.WriteLog(ex.ToString());
}
}