public override BoolExpressionSqlPart GetSqlPart(int index)
        {
            BoolExpressionSqlPart result = new BoolExpressionSqlPart();

            string sqlPramName = "";

            //如果参数名不为空
            if (String.IsNullOrEmpty(this.ParamName) == false)
            {
                //检查是否已经有了参数
                var param = this.Onwer.ReportParams.FirstOrDefault(p => p.Name == this.ParamName);
                if (param == null)
                {
                    //如果没有,加入
                    this.Onwer.ReportParams.Add(new ReportParameter()
                    {
                        Name     = this.ParamName,
                        Exp      = "@p" + index,
                        FmtValue = this.ValueStr,
                        Value    = (this.Value ?? "").ToString()
                    });
                    result.Parameters.Add(new QueryParameter()
                    {
                        Column   = this.Col,
                        SqlParam = new System.Data.SqlClient.SqlParameter("@p" + index.ToString(), this.Value)
                    });
                    sqlPramName = "@p" + index;
                }
                else
                {
                    //如果有了,不处理 进行取值
                    this.ValueStr = param.FmtValue;
                    this.Value    = param.Value;
                    sqlPramName   = param.Exp;
                }
            }
            else
            {
                result.Parameters.Add(new QueryParameter()
                {
                    Column   = this.Col,
                    SqlParam = new System.Data.SqlClient.SqlParameter("@p" + index.ToString(), this.Value)
                });
                sqlPramName = "@p" + index.ToString();
            }
            result.Stript = string.Format(this.Op.DBName,
                                          String.Format("[{0}].[{1}]", this.Col.SelectedTableName,
                                                        this.Col.Col.DBName),
                                          sqlPramName);


            return(result);
        }
示例#2
0
        public override BoolExpressionSqlPart GetSqlPart(int index)
        {
            int i = index;
            BoolExpressionSqlPart result = new BoolExpressionSqlPart();
            var temp = First.Exp.GetSqlPart(i);

            i += temp.Parameters.Count;
            result.Parameters.AddRange(temp.Parameters.ToArray());
            result.Stript = "(" + temp.Stript + ")";
            foreach (var add in this.Sequeces)
            {
                temp = add.BoolExpression.Exp.GetSqlPart(i);
                i   += temp.Parameters.Count;
                result.Parameters.AddRange(temp.Parameters.ToArray());
                result.Stript += add.BoolOp.DBName + "(" + temp.Stript + ")";
            }
            return(result);
        }