//add param
        public static bool AddParam(DataSItem parent, DataParam newparam)
        {
            bool res = false;

            if (IsDocLoaded)
            {
                try
                {
                    XmlNode procParent =
                        _doc.SelectSingleNode(SettingsHelperManager.QueryOfSelectinProcedureByValue(parent.Value));

                    if (procParent != null)
                    {
                        procParent.AppendChild(newparam.ToXmlNode());


                        if (Save())
                        {
                            res = true;
                            ReadAllProcedures();
                        }
                    }
                }
                catch
                {
                    return(false);
                }
            }

            return(res);
        }
        public static bool DeleteProcedure(string procedureValue)
        {
            bool res = false;

            if (IsDocLoaded)
            {
                try
                {
                    XmlNode node =
                        ConfigurationDocument.SelectSingleNode(
                            SettingsHelperManager.QueryOfSelectinProcedureByValue(procedureValue));

                    if (node == null)
                    {
                        return(false);
                    }

                    node.ParentNode.RemoveChild(node);

                    if (Save())
                    {
                        res = true;
                        ReadAllProcedures();
                    }
                }
                catch
                {
                }
            }
            return(res);
        }
        public static bool UpdateProcedure(string oldProcedureVal, DataSItem newProc)
        {
            bool res = false;


            if (IsDocLoaded)
            {
                try
                {
                    string  test = SettingsHelperManager.QueryOfSelectinProcedureByValue(oldProcedureVal);
                    XmlNode node =
                        ConfigurationDocument.SelectSingleNode(test);
                    if (node == null)
                    {
                        return(false);
                    }

                    node.Attributes["name"].Value   = newProc.Name;
                    node.Attributes["value"].Value  = newProc.Value;
                    node.Attributes["constr"].Value = newProc.ConnectionString;


                    if (Save())
                    {
                        res = true;
                        ReadAllProcedures();
                    }
                }
                catch
                {
                    return(false);
                }
            }

            return(res);
        }