public long ComputeScore(DataSet Ds_Exam)
        {
            DataTable Dt_Question = Ds_Exam.Tables[0];
            DataTable Dt_Question_Answer = Ds_Exam.Tables[1];

            StringBuilder Sb_Query = new StringBuilder();
            Sb_Query.Append(@" Select * From RecruitmentTestQuestionAnswers ");
            Sb_Query.Append(@" Where ");
            Sb_Query.Append(@" Lkp_RecruitmentTestQuestionsID = @QuestionID ");
            Sb_Query.Append(@" And IsNull(IsAnswer,0) = 1 And IsNull(IsDeleted,0) = 0");

            ClsPreparedQuery Pq = new ClsPreparedQuery();
            Pq.pQuery = Sb_Query.ToString();
            Pq.Add_Parameter("QuestionID", SqlDbType.BigInt);
            Pq.Prepare();

            Int64 Score = 0;

            foreach (DataRow Dr in Dt_Question.Rows)
            {
                Pq.pParameters["QuestionID"].Value = Layer01_Methods.IsNull(Dr["RecruitmentTestQuestionsID"], 0);
                DataTable Inner_Dt = Pq.ExecuteQuery().Tables[0];
                Int64 Ct_Answer = Inner_Dt.Rows.Count;
                Int64 Ct_ExamAnswer = 0;
                DataRow[] Arr_Dr_Answers = Dt_Question_Answer.Select(@"Lkp_RecruitmentTestQuestionsID = " + ((Int64)Dr["RecruitmentTestQuestionsID"]).ToString());
                foreach (DataRow Inner_Dr in Arr_Dr_Answers)
                {
                    bool IsExamAnswer = (bool)Layer01_Methods.IsNull(Inner_Dr["IsAnswered"], false);
                    bool IsAnswer = false;

                    DataRow[] Inner_Arr_Dr = Inner_Dt.Select(@"Lkp_RecruitmentTestAnswersID = " + ((Int64)Inner_Dr["Lkp_RecruitmentTestAnswersID"]));
                    if (Inner_Arr_Dr.Length > 0)
                    { IsAnswer = true; }

                    if (IsAnswer && (IsExamAnswer == IsAnswer))
                    { Ct_ExamAnswer++; }
                }

                if (Ct_Answer == Ct_ExamAnswer)
                { Score++; }
            }

            return Score;
        }
        public void AddSelected(
            DataTable Dt_Target
            , List<long> Selected_IDs
            , string Selected_DataSourceName
            , string Selected_KeyName
            , string Target_Key
            , bool HasTmpKey
            , List<Layer01_Constants.Str_AddSelectedFields> List_Selected_Fields = null
            , List<Layer01_Constants.Str_AddSelectedFieldsDefault> List_Selected_FieldsDefault = null)
        {
            if (Selected_IDs == null)
            { return; }

            if (Selected_IDs.Count == 0)
            { return; }

            ClsPreparedQuery Pq = new ClsPreparedQuery();
            Pq.pQuery = @"Select * From " + Selected_DataSourceName + @" Where " + Selected_KeyName + @" = @ID";
            Pq.Add_Parameter("ID", SqlDbType.BigInt);
            Pq.Prepare();

            foreach (Int64 Selected_ID in Selected_IDs)
            {
                Pq.pParameters["ID"].Value = Selected_ID;
                DataTable Dt_Selected = Pq.ExecuteQuery().Tables[0];
                if (Dt_Selected.Rows.Count > 0)
                {
                    DataRow Dr_Selected = Dt_Selected.Rows[0];
                    DataRow[] ArrDr;
                    DataRow Dr_Target = null;

                    ArrDr = Dt_Target.Select(Target_Key + @" = " + Methods.Convert_Int64(Dr_Selected[Selected_KeyName]));
                    if (ArrDr.Length > 0)
                    { Dr_Target = ArrDr[0]; }
                    else
                    {
                        Dr_Target = Dt_Target.NewRow();
                        Dt_Target.Rows.Add(Dr_Target);

                        Dr_Target[Target_Key] = Dr_Selected[Selected_KeyName];

                        if (HasTmpKey)
                        {
                            Int64 Ct = 0;
                            ArrDr = Dt_Target.Select("", "TmpKey Desc", DataViewRowState.CurrentRows);
                            if (ArrDr.Length > 0)
                            { Ct = Methods.Convert_Int64(ArrDr[0]["TmpKey"]); }
                            Ct++;

                            Dr_Target["TmpKey"] = Ct;
                            Dr_Target["Item_Style"] = "";
                        }
                    }

                    if (List_Selected_Fields != null)
                    {
                        foreach (Layer01_Constants.Str_AddSelectedFields Selected_Field in List_Selected_Fields)
                        { Dr_Target[Selected_Field.Field_Target] = Dr_Selected[Selected_Field.Field_Selected]; }
                    }

                    if (List_Selected_FieldsDefault != null)
                    {
                        foreach (Layer01_Constants.Str_AddSelectedFieldsDefault Selected_FieldDefault in List_Selected_FieldsDefault)
                        { Dr_Target[Selected_FieldDefault.Field_Target] = Selected_FieldDefault.Value; }
                    }

                }
            }
        }
        public DataTable GetQuery(Interface_Connection Connection, string ViewObject, string Fields, ClsQueryCondition Condition, string Sort = "", long Top = 0, int Page = 0)
        {
            string Query_RowNumberSort = Sort;
            if (Query_RowNumberSort.Trim() == "") Query_RowNumberSort = "(Select 0)";

            string Query_Top = "";
            if (Top > 0) Query_Top = "Top " + Top.ToString();

            Int64 PageCondition = 0;
            if (Page > 0)
            { PageCondition = Top * (Page - 1); }

            if (ViewObject.Trim() != "") ViewObject = " From " + ViewObject + " ";
            if (Fields.Trim() == "") Fields = " * ";
            if (Sort.Trim() != "") Sort = " Order By " + Sort;

            ClsPreparedQuery Pq = new ClsPreparedQuery((ClsConnection_SqlServer)Connection);
            Pq.Add_Parameter("ViewObject", SqlDbType.VarChar, 8000, 0, 0, ViewObject);
            Pq.Add_Parameter("Fields", SqlDbType.VarChar, 8000, 0, 0, Fields);
            Pq.Add_Parameter("Sort", SqlDbType.VarChar, 8000, 0, 0, Sort);

            string Query_Condition = "";
            if (Condition != null)
            {
                Query_Condition = " Where 1 = 1 ";
                Query_Condition += " And " + Condition.GetQueryCondition();
                Pq.Add_Parameter(Condition.GetParameters());
            }

            Pq.pQuery = @"Select " + Query_Top + @" [Tb].* From ( Select Row_Number() Over (Order By " + Query_RowNumberSort + @") As [RowNumber], " + Fields + " " + ViewObject + " " + Query_Condition + @" ) As [Tb] Where [Tb].RowNumber > " + PageCondition + " " + Sort;
            Pq.Prepare();

            return Pq.ExecuteQuery().Tables[0];
        }
        public DataTable GetQuery(
            Interface_Connection Connection
            , string ViewObject
            , string Fields = ""
            , string Condition = ""
            , string Sort = "")
        {
            if (ViewObject.Trim() != "") ViewObject = " From " + ViewObject + " ";
            if (Fields.Trim() == "") Fields = " * ";
            if (Condition.Trim() != "") Condition = " Where " + Condition;
            if (Sort.Trim() != "") Sort = " Order By " + Sort;

            ClsPreparedQuery Pq = new ClsPreparedQuery((ClsConnection_SqlServer)Connection);
            Pq.pQuery = @"Declare @Query As VarChar(Max); Set @Query = 'Select ' + @Fields + ' ' + @ViewObject + ' ' + @Condition + ' ' + @Sort; Exec(@Query)";
            Pq.Add_Parameter("ViewObject", SqlDbType.VarChar, 8000, 0, 0, ViewObject);
            Pq.Add_Parameter("Fields", SqlDbType.VarChar, 8000, 0, 0, Fields);
            Pq.Add_Parameter("Condition", SqlDbType.VarChar, 8000, 0, 0, Condition);
            Pq.Add_Parameter("Sort", SqlDbType.VarChar, 8000, 0, 0, Sort);
            Pq.Prepare();

            return Pq.ExecuteQuery().Tables[0];
        }
        public bool SaveDataRow(DataRow ObjDataRow, string TableName, string SchemaName, bool IsDelete)
        {
            bool Cns_IsSoftDelete = true;

                //[-]

                if (SchemaName == "")
                { SchemaName = "dbo"; }

                eProcess cProcess = eProcess.Process_Insert;
                DataTable Dt_TableDef = new DataTable(TableName);
                DataTable Dt_Def;
                List<Layer01_Common.Common.Layer01_Constants.Str_Parameters> List_Param;

                //[Get Table Definition]
                List_Param = new List<Layer01_Common.Common.Layer01_Constants.Str_Parameters>();
                List_Param.Add(new Layer01_Common.Common.Layer01_Constants.Str_Parameters(@"@TableName", TableName));
                List_Param.Add(new Layer01_Common.Common.Layer01_Constants.Str_Parameters(@"@SchemaName", SchemaName));

                Dt_Def = this.ExecuteQuery("usp_GetTableDef", List_Param).Tables[0];
                foreach (DataRow Inner_Dr in Dt_Def.Rows)
                {
                    System.Type Inner_Type = null;
                    switch (Layer01_Methods.IsNull(Inner_Dr["DataType"], "").ToString().ToLower())
                    {
                        case "tinyint":
                            Inner_Type = typeof(System.Byte);
                            break;
                        case "smallint":
                            Inner_Type = typeof(System.Int16);
                            break;
                        case "int":
                            Inner_Type = typeof(System.Int32);
                            break;
                        case "bigint":
                            Inner_Type = typeof(System.Int64);
                            break;
                        case "bit":
                            Inner_Type = typeof(System.Boolean);
                            break;
                        case "decimal":
                        case "numeric":
                            Inner_Type = typeof(System.Double);
                            break;
                        case "datetime":
                        case "smalldatetime":
                            Inner_Type = typeof(System.DateTime);
                            break;
                        case "char":
                        case "varchar":
                        case "text":
                        case "nchar":
                        case "nvarchar":
                        case "ntext":
                            Inner_Type = typeof(System.String);
                            break;
                    }
                    Dt_TableDef.Columns.Add((string)Layer01_Methods.IsNull(Inner_Dr["ColumnName"], ""), Inner_Type);
                }

                //[Check ObjDataRow Fields for PK Data]

                bool IsFound = false;
                Int32 PKsCt = 0;
                Int32 PKsFoundCt = 0;

                DataRow[] ArrDr_Dt_Def;
                ArrDr_Dt_Def = Dt_Def.Select("IsPK = 1");
                PKsCt = ArrDr_Dt_Def.Length;

                foreach (DataRow Inner_Dr in ArrDr_Dt_Def)
                {
                    foreach (DataColumn Inner_Dc in ObjDataRow.Table.Columns)
                    {
                        if ((string)Inner_Dr["ColumnName"] == Inner_Dc.ColumnName)
                        {
                            if (Convert.ToInt64(Layer01_Methods.IsNull(ObjDataRow[Inner_Dc.ColumnName], 0)) != 0)
                            {
                                PKsFoundCt++;
                                if (PKsFoundCt >= PKsCt) break;
                            }
                        }
                    }
                }

                //Check Process
                if (PKsFoundCt != PKsCt)
                {
                    cProcess = eProcess.Process_Insert;
                    DataRow[] ArrDr_Dt_Def_Pks = Dt_Def.Select(@"IsPK = 1 And IsIdentity = 0");
                    foreach (DataRow Inner_Dr in ArrDr_Dt_Def_Pks)
                    {
                        //Check PK if there is already a value
                        //If there is, continue the loop
                        string Inner_ColumnName = (string)Layer01_Methods.IsNull(Inner_Dr["ColumnName"], "");
                        if (Convert.ToInt64(Layer01_Methods.IsNull(ObjDataRow[Inner_ColumnName], 0)) != 0)
                        { continue; }

                        ClsConnection_SqlServer Da = new ClsConnection_SqlServer();
                        try
                        {
                            Da.Connect();
                            Da.BeginTransaction();

                            Int64 NewID;
                            List_Param = new List<Layer01_Common.Common.Layer01_Constants.Str_Parameters>();
                            List_Param.Add(new Layer01_Common.Common.Layer01_Constants.Str_Parameters(@"@TableName", TableName + "." + Inner_ColumnName));
                            NewID = (Int64)Layer01_Methods.IsNull(Da.ExecuteQuery("usp_GetNextID", List_Param).Tables[0].Rows[0][0], 0);
                            ObjDataRow[Inner_ColumnName] = NewID;

                            Da.CommitTransaction();
                        }
                        catch (Exception ex)
                        {
                            Da.RollbackTransaction();
                            throw ex;
                        }
                        finally
                        {
                            Da.Close();
                            Da = null;
                        }
                    }
                }
                else
                {
                    //Check if Row to be updated has rows to be updated
                    //If none the return the function true
                    DataRow[] Inner_ArrDr = Dt_Def.Select(@"IsPk = 0 And IsIdentity = 0");
                    if (Inner_ArrDr.Length == 0) return true;
                    cProcess = eProcess.Process_Update;
                }

                if (IsDelete)
                {
                    if (cProcess == eProcess.Process_Update)
                    {
                        if (!Cns_IsSoftDelete)
                        { cProcess = eProcess.Process_Delete; }
                        else
                        { ObjDataRow["IsDeleted"] = true; }
                    }
                    else
                    { return true; }
                }

                //Prepare SQL Statement
                ClsPreparedQuery Pq = new ClsPreparedQuery(this);

                string Query_InsertFields = "";
                string Query_InsertFieldsValues = "";
                string Query_UpdateFields = "";
                string Query_Comma = "";

                foreach (DataColumn Dc_ObjDataRow in ObjDataRow.Table.Columns)
                {
                    IsFound = false;
                    foreach (DataColumn Dc_TableDef in Dt_TableDef.Columns)
                    {
                        if (Dc_ObjDataRow.ColumnName.ToLower() == Dc_TableDef.ColumnName.ToLower())
                        {
                            switch (cProcess)
                            {
                                case eProcess.Process_Insert:
                                    IsFound = true;
                                    break;
                                case eProcess.Process_Update:
                                    DataRow[] Inner_ArrDr = Dt_Def.Select(@"ColumnName = '" + Dc_ObjDataRow.ColumnName + "' And IsPk = 1");
                                    if (Inner_ArrDr.Length == 0) IsFound = true;
                                    break;
                            }
                            if (IsFound) break;
                        }
                    }

                    if (IsFound)
                    {
                        DataRow[] Inner_ArrDr_Def = Dt_Def.Select(@"ColumnName = '" + Dc_ObjDataRow.ColumnName + "'" + " And IsIdentity = 0");
                        if (Inner_ArrDr_Def.Length == 0) continue;

                        switch (cProcess)
                        {
                            case eProcess.Process_Insert:
                                Query_InsertFields += " " + Query_Comma + @" [" + Dc_ObjDataRow.ColumnName + @"] ";
                                Query_InsertFieldsValues += " " + Query_Comma + @" @" + Dc_ObjDataRow.ColumnName.Replace(@" ", @"_") + " ";
                                break;
                            case eProcess.Process_Update:
                                Query_UpdateFields += " " + Query_Comma + @" [" + Dc_ObjDataRow.ColumnName + @"] = @" + Dc_ObjDataRow.ColumnName.Replace(@" ", @"_") + " ";
                                break;
                        }

                        Query_Comma = ",";

                        SqlParameter Inner_Sp = new SqlParameter(@"@" + Dc_ObjDataRow.ColumnName.Replace(" ", "_"), this.SqlDataTypeLib((string)Inner_ArrDr_Def[0]["DataType"]), Convert.ToInt32(Inner_ArrDr_Def[0]["Length"]));
                        Inner_Sp.Direction = ParameterDirection.Input;
                        Inner_Sp.Precision = (byte)Inner_ArrDr_Def[0]["Precision"];
                        Inner_Sp.Scale = (byte)Inner_ArrDr_Def[0]["Scale"];
                        Pq.pParameters.Add(Inner_Sp);
                    }
                }

                DataRow[] Inner_ArrDr_Pk;

                switch (cProcess)
                {
                    case eProcess.Process_Insert:
                        StringBuilder Sb_Query_Output = new StringBuilder();
                        StringBuilder Sb_Query_Output_Table = new StringBuilder();
                        string Query_Output = "";
                        char Query_Output_Comma = ' ';
                        string Query_Output_Table = "";
                        string Query_Output_Table_Select = "";

                        Inner_ArrDr_Pk = Dt_Def.Select("IsPK = 1 And IsIdentity = 1");
                        foreach (DataRow Inner_Dr in Inner_ArrDr_Pk)
                        {
                            Sb_Query_Output.Append(@" " + Query_Output_Comma + @" Inserted.[" + (string)Layer01_Methods.IsNull(Inner_Dr["ColumnName"], "") + @"] Into @Tb");
                            Sb_Query_Output_Table.Append(@" " + Query_Output_Comma + @" [" + (string)Layer01_Methods.IsNull(Inner_Dr["ColumnName"], "") + @"] " + (string)Layer01_Methods.IsNull(Inner_Dr["DataType"], ""));
                            Query_Output_Comma = ',';
                        }

                        Query_Output = Sb_Query_Output.ToString();
                        if (Query_Output.Trim() != "") Query_Output = " Output " + Query_Output;

                        Query_Output_Table = Sb_Query_Output_Table.ToString();
                        if (Query_Output_Table.Trim() != "")
                        {
                            Query_Output_Table = @" Declare @Tb As Table (" + Query_Output_Table + @"); ";
                            Query_Output_Table_Select = " Select * From @Tb ";
                        }

                        if (Query_InsertFields != "")
                        {
                            Query_InsertFields = "(" + Query_InsertFields + ")";
                            Query_InsertFieldsValues = " Values (" + Query_InsertFieldsValues + ") ";
                        }
                        else
                        {
                            //This path will be reached if the table to be inserted has only one field that is an identity field
                            Query_InsertFieldsValues = " Default Values ";
                        }

                        Pq.pQuery = Query_Output_Table + " Insert Into [" + SchemaName + "].[" + TableName + "] " + Query_InsertFields + " " + Query_Output + " " + Query_InsertFieldsValues + "; " + Query_Output_Table_Select;
                        break;
                    case eProcess.Process_Update:
                        string Query_UpdateCriteria = "";
                        Query_Comma = "";

                        Inner_ArrDr_Pk = Dt_Def.Select("IsPk = 1");
                        foreach (DataRow Inner_Dr in Inner_ArrDr_Pk)
                        {
                            DataRow[] Inner_ArrDr_TableDef = Dt_Def.Select(@"ColumnName = '" + (string)Inner_Dr["ColumnName"] + @"'");
                            Query_UpdateCriteria += " " + Query_Comma + " [" + Inner_Dr["ColumnName"] + "] = @" + ((string)Inner_Dr["ColumnName"]).Replace(" ", "_") + " ";
                            Query_Comma = "And";

                            SqlParameter Inner_Sp = new SqlParameter("@" + ((string)Inner_Dr["ColumnName"]).Replace(" ", "_"), this.SqlDataTypeLib((string)Inner_Dr["DataType"]), Convert.ToInt32(Inner_Dr["Length"]));
                            Inner_Sp.Direction = ParameterDirection.Input;
                            Inner_Sp.Precision = (byte)Inner_Dr["Precision"];
                            Inner_Sp.Scale = (byte)Inner_Dr["Scale"];
                            Pq.pParameters.Add(Inner_Sp);
                        }

                        Pq.pQuery = "Update [" + SchemaName + "].[" + TableName + "] Set " + Query_UpdateFields + " Where " + Query_UpdateCriteria;
                        break;
                    case eProcess.Process_Delete:
                        string Query_DeleteCriteria = "";
                        Query_Comma = "";

                        Inner_ArrDr_Pk = Dt_Def.Select("IsPk = 1");
                        foreach (DataRow Inner_Dr in Inner_ArrDr_Pk)
                        {
                            DataRow[] Inner_ArrDr_TableDef = Dt_Def.Select(@"ColumnName = '" + (string)Inner_Dr["ColumnName"] + @"'");
                            Query_DeleteCriteria += " " + Query_Comma + " [" + Inner_Dr["ColumnName"] + "] = @" + ((string)Inner_Dr["ColumnName"]).Replace(" ", "_") + " ";
                            Query_Comma = "And";

                            SqlParameter Inner_Sp = new SqlParameter("@" + ((string)Inner_Dr["ColumnName"]).Replace(" ", "_"), this.SqlDataTypeLib((string)Inner_Dr["DataType"]), Convert.ToInt32(Inner_Dr["Length"]));
                            Inner_Sp.Direction = ParameterDirection.Input;
                            Inner_Sp.Precision = (byte)Inner_Dr["Precision"];
                            Inner_Sp.Scale = (byte)Inner_Dr["Scale"];
                            Pq.pParameters.Add(Inner_Sp);
                        }

                        Pq.pQuery = "Delete [" + SchemaName + "].[" + TableName + "] Where " + Query_DeleteCriteria;
                        break;
                }

                Pq.Prepare();

                foreach (DataColumn Dc_ObjDataRow in ObjDataRow.Table.Columns)
                {
                    foreach (SqlParameter Inner_Sp in Pq.pParameters)
                    {
                        if ("@" + Dc_ObjDataRow.ColumnName.Replace(" ", "_") == Inner_Sp.ParameterName)
                        {
                            if (Information.IsDBNull(Dc_ObjDataRow)) Inner_Sp.Value = DBNull.Value;
                            else Inner_Sp.Value = this.SqlConvertDataType(ObjDataRow[Dc_ObjDataRow], Inner_Sp.SqlDbType.ToString());
                            continue;
                        }
                    }
                }

                DataSet Ds_Output;
                DataTable Dt_Output;

                Ds_Output = Pq.ExecuteQuery();
                if (Ds_Output.Tables.Count > 0)
                {
                    Dt_Output = Ds_Output.Tables[0];
                    foreach (DataColumn Inner_Dc in Dt_Output.Columns)
                    {
                        ObjDataRow[Inner_Dc.ColumnName] = Dt_Output.Rows[0][Inner_Dc.ColumnName];
                    }
                }
                return true;
        }
        public static DataTable GetQueryWithPage(ClsConnection_SqlServer Da, string ViewObject, string Fields, string Condition, string Sort, Int64 Top, Int32 Page)
        {
            string Query_RowNumberSort = Sort;
            if (Query_RowNumberSort.Trim() == "") Query_RowNumberSort = "(Select 0)";

            string Query_Top = "";
            if (Top > 0) Query_Top = "Top " + Top.ToString();

            Int64 PageCondition = 0;
            if (Page > 0)
            {
                PageCondition = Top * (Page - 1);
            }

            if (ViewObject.Trim() != "") ViewObject = " From " + ViewObject + " ";
            if (Fields.Trim() == "") Fields = " * ";
            if (Condition.Trim() != "") Condition = " Where " + Condition;
            if (Sort.Trim() != "") Sort = " Order By " + Sort;

            ClsPreparedQuery Pq = new ClsPreparedQuery(Da);
            Pq.pQuery = @"Declare @Query As VarChar(Max); Set @Query = 'Select ' + @Top ' + [Tb].* From ( Select Row_Number() Over (Order By ' + @RowNumberSort + ') As [RowNumber], ' + @Fields + ' ' + @ViewObject + ' ' + @Condition + ' ' + @Sort + ' ) As [Tb] Where [Tb].RowNumber >= ' + @PageCondtion + ''; Exec(@Query)";
            Pq.Add_Parameter("ViewObject", SqlDbType.VarChar, 8000, 0, 0, ViewObject);
            Pq.Add_Parameter("Top", SqlDbType.VarChar, 8000, 0, 0, Query_Top);
            Pq.Add_Parameter("RowNumberSort", SqlDbType.VarChar, 8000, 0, 0, Query_RowNumberSort);
            Pq.Add_Parameter("PageCondtion", SqlDbType.BigInt, 0, 0, 0, PageCondition);
            Pq.Add_Parameter("Fields", SqlDbType.VarChar, 8000, 0, 0, Fields);
            Pq.Add_Parameter("Condition", SqlDbType.VarChar, 8000, 0, 0, Condition);
            Pq.Add_Parameter("Sort", SqlDbType.VarChar, 8000, 0, 0, Sort);
            Pq.Prepare();

            return Pq.ExecuteQuery().Tables[0];
        }
        public static void AddSelected(
            DataTable Dt_Target
            , DataTable Dt_Selected
            , string Query_Selected_Source
            , string Query_Selected_Key
            , string Target_Key
            , List<Common.Layer01_Constants.Str_AddSelectedFields> Obj_Fields = null
            , List<Common.Layer01_Constants.Str_AddSelectedFieldsDefault> Obj_FieldsDefault = null)
        {
            if (!(Dt_Selected.Rows.Count > 0))
            { return; }

            ClsPreparedQuery Pq = new ClsPreparedQuery();
            Pq.pQuery = @"Select * From " + Query_Selected_Source + @" Where " + Query_Selected_Key + @" = @ID";
            Pq.pParameters.Add("ID", SqlDbType.BigInt);
            Pq.Prepare();

            foreach (DataRow Dr_Selected in Dt_Selected.Rows)
            {
                Pq.pParameters["ID"].Value = (Int64)Methods.IsNull(Dr_Selected["ID"], 0);
                DataTable Inner_Dt_Selected = Pq.ExecuteQuery().Tables[0];
                if (Inner_Dt_Selected.Rows.Count > 0)
                {
                    DataRow Inner_Dr_Selected = Inner_Dt_Selected.Rows[0];
                    DataRow[] Inner_ArrDr;
                    DataRow Inner_Dr_Target = null;
                    bool Inner_IsFound = false;

                    Inner_ArrDr = Dt_Target.Select(Target_Key + " = " + Convert.ToInt64(Inner_Dr_Selected[Query_Selected_Key]));
                    if (Inner_ArrDr.Length > 0)
                    {
                        Inner_Dr_Target = Inner_ArrDr[0];
                        if ((bool)Methods.IsNull(Inner_Dr_Target["IsDeleted"], false))
                        {
                            Inner_Dr_Target["IsDeleted"] = DBNull.Value;
                            Inner_IsFound = true;
                        }
                    }

                    if (!Inner_IsFound)
                    {
                        Int64 Ct = 0;
                        Inner_ArrDr = Dt_Target.Select("", "TmpKey Desc");
                        if (Inner_ArrDr.Length > 0)
                        { Ct = (Int64)Inner_ArrDr[0]["TmpKey"]; }
                        Ct++;

                        DataRow Nr = Dt_Target.NewRow();
                        Nr["TmpKey"] = Ct;
                        Nr["Item_Style"] = "";
                        Nr[Target_Key] = (Int64)Inner_Dr_Selected[Query_Selected_Key];
                        Dt_Target.Rows.Add(Nr);

                        Inner_Dr_Target = Nr;
                    }

                    if (Obj_Fields != null)
                    {
                        foreach (Layer01_Constants.Str_AddSelectedFields Inner_Obj in Obj_Fields)
                        { Inner_Dr_Target[Inner_Obj.Field_Target] = Inner_Dr_Selected[Inner_Obj.Field_Selected]; }
                    }

                    if (Obj_FieldsDefault != null)
                    {
                        foreach (Layer01_Constants.Str_AddSelectedFieldsDefault Inner_Obj in Obj_FieldsDefault)
                        { Inner_Dr_Target[Inner_Obj.Field_Target] = Inner_Obj.Value; }
                    }
                }
            }
        }