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MYSQL数据源

需求：将“明细表：料号、品名、单位、数量、金额、采购单号”与“主表：采购单号、供方、日期”，合并为一张表：料号、品名、单位、数量、金额、采购单号、供方、日期

Dim db = HySql.DataBaseFactory.CreateDatabase("CG")

Dim Sql2 = "selec--t * from cgzb a Inner Join cgmx b On {cgzb}.[采购单号] = {cgmx}.[采购单号]) ;"

Dim dt2 As system.data.DataTable = db.ExecuteDataSet(Sql2).Tables(0)

Dim t2 As Table = e.Form.Controls("Table1").Table

上面执行后，报错：

You have an error in your SQL syntax; check the manual that corresponds to your MySQ--L server version for the right syntax to use near '}.[采购单号] = {cgmx}.[采购单号])' at line 1

Dim Sql2 = "selec--t * from cgzb a Inner Join cgmx b On cgzb.[采购单号] = cgmx.[采购单号] ;"

老师，还是报错

You have an error in your SQ--L syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '[采购单号] = cgmx.[采购单号]' at line 1

合并成是临时表，"Table1"、窗口_"Table1"后，下面代码执行第一次，正常统计，再执行时，报错，找不到供方，

Dim b As New CrossTableBuilder("统计表2", DataTables("采购汇总窗口_Table1"))

b.HGroups.AddDef("供方") '

b.VGroups.AddDef("采购日期", DateGroupEnum.Year, "{0}年") '

b.VGroups.AddDef("采购日期", "{0}月") '

b.Totals.AddDef("数量","数量") '

b.Totals.AddDef("金额","金额") '

b.VerticalTotal= True '

b.HorizontalTotal = True '

Tables("采购汇总窗口_Table2").DataSource = b.BuildDataSource() '