通过python注册表单插件实现单据体颜色控制，以采购订单为例
```python
import clr
clr.AddReference('mscorlib')
from System import *
def AfterBindData(e):
SetBackColor()
def DataChanged(e):
if e.Field.Key == "FPRICE":
SetBackColor()
def SetBackColor():
entity = this.View.BusinessInfo.GetEntity("FPOOrderEntry")
entrys = this.View.Model.GetEntityDataObject(entity)
grid = this.View.GetControl(entity.Key)
for entry in entrys:
rowIndex = this.View.Model.GetRowIndex(entity, entry)
if entry["PRICE"] < 10:
grid.SetRowBackcolor("#FFFF00",rowIndex)#设置整行颜色
if entry["PRICE"] > 10:
grid.SetRowBackcolor("#FFCCCC",rowIndex)
if entry["PRICE"] == 10:
grid.SetBackcolor("FPrice","#FFCCCC",rowIndex)#设置单元格颜色
```
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