在SQL Server Reporting Services (SSRS)中,基于值的分页是指根据数据中的特定字段值来划分报表页面的技术。当处理包含多个表的报表时,这种分页方式特别有用,因为它允许您根据逻辑分组(如客户ID、日期范围或产品类别)来组织报表内容。
<Tablix Name="Tablix1">
<TablixBody>
<TablixColumns>
<TablixColumn>
<Width>1in</Width>
</TablixColumn>
</TablixColumns>
<TablixRows>
<TablixRow>
<Height>0.25in</Height>
<TablixCell>
<CellContents>
<Textbox Name="Textbox1">
<Paragraphs>
<Paragraph>
<TextRuns>
<TextRun>
<Value>=Fields!GroupField.Value</Value>
</TextRun>
</TextRuns>
</Paragraph>
</Paragraphs>
</Textbox>
</CellContents>
</TablixCell>
</TablixRow>
<TablixRow>
<Height>0.25in</Height>
<TablixCell>
<CellContents>
<Textbox Name="Textbox2">
<Paragraphs>
<Paragraph>
<TextRuns>
<TextRun>
<Value>=Fields!DetailField.Value</Value>
</TextRun>
</TextRuns>
</Paragraph>
</Paragraphs>
</Textbox>
</CellContents>
</TablixCell>
</TablixRow>
</TablixRows>
</TablixBody>
<TablixRowHierarchy>
<TablixMembers>
<TablixMember>
<Group Name="Group1">
<GroupExpressions>
<GroupExpression>=Fields!GroupField.Value</GroupExpression>
</GroupExpressions>
</Group>
<TablixHeader>
<Size>0.25in</Size>
<CellContents>
<Textbox Name="Textbox3">
<Paragraphs>
<Paragraph>
<TextRuns>
<TextRun>
<Value>Group Header</Value>
</TextRun>
</TextRuns>
</Paragraph>
</Paragraphs>
</Textbox>
</CellContents>
</TablixHeader>
</TablixMember>
<TablixMember>
<TablixHeader>
<Size>0.25in</Size>
<CellContents>
<Textbox Name="Textbox4">
<Paragraphs>
<Paragraph>
<TextRuns>
<TextRun>
<Value>Detail</Value>
</TextRun>
</TextRuns>
</Paragraph>
</Paragraphs>
</Textbox>
</CellContents>
</TablixHeader>
</TablixMember>
</TablixMembers>
</TablixRowHierarchy>
<PageBreak>
<BreakLocation>Between</BreakLocation>
</PageBreak>
</Tablix>
对于包含多个表的报表,您需要:
-- 主表查询
SELECT CustomerID, CustomerName FROM Customers ORDER BY CustomerID
-- 从表查询
SELECT CustomerID, OrderID, OrderDate FROM Orders ORDER BY CustomerID, OrderDate
在报表设计中:
原因:分页设置在错误的级别或没有考虑数据关系 解决:确保分页设置在最高级别的分组上,并验证数据关系
原因:数据集未正确关联或排序不一致 解决:
原因:大数据量下基于值的分页可能导致性能下降 解决:
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