轉換VARCHAR到十進制

我有兩個字段保存數據爲varchar轉換VARCHAR到十進制

字段1 = 10,000.00和Field2 = 5,000.00

我現在需要添加這兩個領域找到總和。但是，當我添加爲字段1 +字段2的

結果是10,000.005,000.oo

我試圖用CAST（字段1爲十進制（12,2）），但它拋出一個錯誤，它不能將varchar轉換爲數字。

幫我一把。

     SELECT  [1] AS ContractPriceExcluded, [2] AS Anticipated, [3] AS Approved, [4] AS claims, [5] AS ProvisionalSums, [6] AS CommitmentsToDate, [7] AS AnticipatedFCost, 
        [8] AS VarianceToContract, [9] AS CertifiedPayments,[10] AS ContractPriceIncluded , [11] AS ProvisionalSumsNotactivated ,description, status, ReferenceNo 
        FROM   (SELECT  ISNULL([Workflow_CustomFormfields].[fieldnumber], '') AS fieldnumber, 
             CAST(REPLACE([Workflow_CustomFormFields].fieldvalue,',','')as Decimal(12,2)) AS fieldvalue, isnull(workflow_customforms.subject, '') AS description, 
              isnull(workflow_customforms.categoryvalue, '') AS status, isnull(workflow_customforms.reference, '') AS ReferenceNo 
        FROM   [dbo].[Workflow_CustomFormfields] INNER JOIN 
              dbo.Workflow_CustomForms ON [dbo].[Workflow_CustomForms].[Id] = dbo.Workflow_CustomFormfields.customformId 
        WHERE  dbo.Workflow_CustomForms.ProjectId = 1 AND dbo.Workflow_CustomForms.CustomformtypeId = 75) PS PIVOT (max(fieldvalue) FOR fieldnumber IN ([1], [2], 
        [3], [4], [5], [6], [7], [8], [9],[10],[11])) AS pivot_fieldvalue

來源

2014-04-10 user3383390

爲什麼不把它作爲小數保存在第一位呢？ –

select cast(replace('10,000.00',',','') as decimal(12,2))

的問題是逗號

來源

2014-04-10 07:03:33 MikkaRin

是的，你是對的！逗號是問題。 –

嗨，這個解決方案工作正常。但是，當我在case語句中使用它時，它會引發同樣的錯誤。請查看下面的case語句。 – user3383390

（CASE WHEN [workflow_customformfields] .FieldType = '日期' THEN dbo.CustomForm_GetDate（workflow_customformfields.fieldvalue） \t \t \t \t \t \t \t \t \t \t \t WHEN [workflow_customformfields] .FieldType = '雙' THEN \t \t \t \t \t \t \t \t \t \t \t CAST（REPLACE（Workflow_CustomFormFields.fieldvalue， ''， ''）作爲十進制（12,2）） \t \t \t \t \t \t \t \t \t \t \t ELSE ISNULL（workflow_customformfields.fieldvalue， ''）END）AS fieldValue方法 – user3383390

你鑄造兩個數值爲十進制？這工作正常

DECLARE @one varchar(8), @two varchar(8) 
SET @one = '10,000.00' 
SET @two = '5,000.00' 
SELECT CAST(replace(@one,',','') AS decimal(12,2))+ 
     CAST(replace(@two,',','') AS decimal(12,2))

來源

2014-04-10 07:04:18 Raj

請仔細看看問題。 – AK47

看了。編輯迴應 – Raj

您必須刪除逗號並轉換爲十進制。見下文。

declare @field1 varchar(50) = '10,000.00' , 
@field2 varchar(50)= '5,000.00' 

select Convert(decimal(10,2),replace(@field1,',','')) +Convert(decimal(10,2),replace(@field2,',',''))

來源

2014-04-10 07:08:43

轉換VARCHAR到十進制

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