Beispiel #1
0
        /// <summary>
        /// 获取SQl脚本
        /// </summary>
        /// <param name="row"></param>
        /// <param name="keys"></param>
        /// <returns></returns>
        public static string GetSQLScript(MDataRow row, params string[] keys)
        {
            DalType dalType   = CrossDb.GetDalType(row.TableName);
            string  tableName = DBTool.Keyword(row.TableName, dalType);

            string where = string.Empty;
            StringBuilder sb = new StringBuilder();

            //sb.AppendFormat("if not EXISTS (select 1 from {0} where ", tableName);
            //foreach (string key in keys)
            //{
            //    if (where != string.Empty)
            //    {
            //        where += " and ";
            //    }
            //    where +=DBTool.Keyword(key,dalType)+"='" + row[key].ToString() + "'";
            //}
            //sb.Append(where);
            //sb.AppendLine(")\r\nbegin");//Insert

            sb.AppendFormat("insert into {0}(", tableName);//Insert
            string columns = string.Empty;

            foreach (var ct in row.Columns)
            {
                columns += DBTool.Keyword(ct.ColumnName, dalType) + ",";
            }
            sb.Append(columns.TrimEnd(',') + ") \r\n values(");
            columns = string.Empty;
            foreach (var ct in row.Columns)
            {
                if (row[ct.ColumnName].IsNull)
                {
                    columns += "null,";
                }
                else
                {
                    columns += "'" + row[ct.ColumnName].ToString() + "',";
                }
            }
            sb.Append(columns.TrimEnd(',') + ")\r\n");
            //sb.AppendLine("end");
            //sb.AppendLine("else");
            //sb.AppendLine("begin");//Update
            //sb.AppendFormat("update {0} set ", tableName);//Insert
            //columns = string.Empty;
            //List<string> items = new List<string>();
            //items.AddRange(keys);
            //foreach (var ct in row.Columns)
            //{
            //    if (items.Contains(ct.ColumnName))
            //    {
            //        continue;
            //    }
            //    if (row[ct.ColumnName].IsNull)
            //    {
            //        columns += DBTool.Keyword(ct.ColumnName,dalType)+ "=null,";
            //    }
            //    else
            //    {
            //        columns += DBTool.Keyword(ct.ColumnName,dalType) + "='" + row[ct.ColumnName].ToString() + "',";
            //    }
            //}
            //sb.AppendFormat(columns.TrimEnd(',') + " where {0}\r\n", where);
            //sb.AppendLine("end \r\n");
            return(sb.ToString());
        }
Beispiel #2
0
        /// <summary>
        /// 数据结构行刷新
        /// </summary>
        /// <param name="objName"></param>
        /// <param name="objCode"></param>
        /// <param name="dt">原有数据</param>
        /// <returns></returns>
        public static bool Flesh(string objName, string objCode, MDataTable dt, out string msg)
        {
            bool result = false;

            msg = LangConst.NoNewColumn;
            MDataTable newDt = dt.GetSchema(false);
            //移除表结构缓存
            string tableKey = CacheManage.GetKey(CacheKeyType.Schema, objName, CrossDb.GetDBName(objName), CrossDb.GetDalType(objName));

            CacheManage.LocalInstance.Remove(tableKey);
            FillTable(objName, objCode, newDt);//重新获取。

            MDataTable addTable = dt.GetSchema(false);

            // bool needUpdate = false;
            foreach (MDataRow row in newDt.Rows)
            {
                MDataRow mr = dt.FindRow(string.Format("Field='{0}'", row.Get <string>("Field")));
                if (mr == null)//找不到,则添加行
                {
                    row.Set(Config_Grid.OrderNum, 255);
                    row.Set(Config_Grid.Hidden, true);
                    row.Set(Config_Grid.GridID, Guid.NewGuid());
                    addTable.Rows.Add(row);
                }
            }

            if (addTable.Rows.Count > 0)
            {
                result = addTable.AcceptChanges(AcceptOp.InsertWithID);
                if (!result)
                {
                    msg = Convert.ToString((Exception)addTable.DynamicData);
                }
            }

            return(result);
        }