即使没有 datetime 列，也获取“将 varchar 数据类型转换为 datetime 数据类型导致超出范围的值”
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【中文标题】即使没有 datetime 列，也获取“将 varchar 数据类型转换为 datetime 数据类型导致超出范围的值”【英文标题】：Getting "the conversion of a varchar data type to a datetime data type resulted in an out-of-range value" even if there is no datetime column 【发布时间】：2020-05-26 13:01:45 【问题描述】：我的 SQL Server 数据库中有一个过程，它返回记录集中的一些日期，我在其中获取日期的列的数据类型为 varchar。我正在使用 LINQ2SQL 来执行该过程。
问题是，当我在 SSMS 中执行该过程时，它可以完美执行而没有任何错误，但是当我通过我的应用程序执行它时，它给出了
导致将 varchar 数据类型转换为 datetime 数据类型 在一个超出范围的值
错误。我还检查了由 LINQ2SQL 类生成器为该过程的记录集生成的类也不包含任何数据类型为datetime 的属性。
过程太长，无法共享，但我正在共享 LINQ2SQL 类生成器检测到的过程的最终 SELECT 以生成类。就在这里
DECLARE @finalResultSetTempTable AS TABLE (
cd_id BIGINT NOT NULL ,
service_id INT NULL ,
resident_id VARCHAR(20) ,
cd_Date VARCHAR(20) ,
cd_StartTime VARCHAR(20) ,
cd_EndTime VARCHAR(20) ,
Pre_travelTime VARCHAR(20) ,
Post_travelTime VARCHAR(20) ,
cd_TimeDuration VARCHAR(20) ,
UnitType INT ,
NoOfUnits INT ,
cd_IsCompleted BIT ,
AssignedTo INT ,
cd_status VARCHAR(50) ,
Service_name VARCHAR(200) ,
Application_Name VARCHAR(50) ,
emp_first_name VARCHAR(200) ,
emp_last_name VARCHAR(200) ,
resident_first_name VARCHAR(200) ,
resident_last_name VARCHAR(200) ,
address VARCHAR(200) ,
suburb VARCHAR(200) ,
state VARCHAR(200) ,
postCode VARCHAR(200)
);
SELECT cd_id , service_id , resident_id , FORMAT(CAST(cd_Date AS DATETIME) , 'yyyy-MM-dd') AS cd_Date , ISNULL(cd_StartTime , '12:00 AM') AS cd_StartTime , ISNULL(cd_EndTime , '12:00 AM') AS cd_EndTime , Pre_travelTime , Post_travelTime , ISNULL(cd_TimeDuration , '0') AS cd_TimeDuration , UnitType , NoOfUnits , cd_IsCompleted , AssignedTo , cd_status , Service_name , emp_first_name , emp_last_name , resident_first_name , resident_last_name , address , suburb , state , postCode , Application_Name
FROM @finalResultSetTempTable
LINQ2SQL生成的类如下
public partial class sp_GetServicesForBulkUpdateResult
private long _cd_id;
private System.Nullable<int> _service_id;
private string _resident_id;
private string _cd_Date;
private string _cd_StartTime;
private string _cd_EndTime;
private string _Pre_travelTime;
private string _Post_travelTime;
private string _cd_TimeDuration;
private System.Nullable<int> _UnitType;
private System.Nullable<int> _NoOfUnits;
private System.Nullable<bool> _cd_IsCompleted;
private System.Nullable<int> _AssignedTo;
private string _cd_status;
private string _Service_name;
private string _emp_first_name;
private string _emp_last_name;
private string _resident_first_name;
private string _resident_last_name;
private string _address;
private string _suburb;
private string _state;
private string _postCode;
private string _Application_Name;
public sp_GetServicesForBulkUpdateResult()
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_id", DbType="BigInt NOT NULL")]
public long cd_id
get
return this._cd_id;
set
if ((this._cd_id != value))
this._cd_id = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_service_id", DbType="Int")]
public System.Nullable<int> service_id
get
return this._service_id;
set
if ((this._service_id != value))
this._service_id = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_resident_id", DbType="VarChar(20)")]
public string resident_id
get
return this._resident_id;
set
if ((this._resident_id != value))
this._resident_id = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_Date", DbType="NVarChar(4000)")]
public string cd_Date
get
return this._cd_Date;
set
if ((this._cd_Date != value))
this._cd_Date = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_StartTime", DbType="VarChar(20) NOT NULL", CanBeNull=false)]
public string cd_StartTime
get
return this._cd_StartTime;
set
if ((this._cd_StartTime != value))
this._cd_StartTime = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_EndTime", DbType="VarChar(20) NOT NULL", CanBeNull=false)]
public string cd_EndTime
get
return this._cd_EndTime;
set
if ((this._cd_EndTime != value))
this._cd_EndTime = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Pre_travelTime", DbType="VarChar(20)")]
public string Pre_travelTime
get
return this._Pre_travelTime;
set
if ((this._Pre_travelTime != value))
this._Pre_travelTime = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Post_travelTime", DbType="VarChar(20)")]
public string Post_travelTime
get
return this._Post_travelTime;
set
if ((this._Post_travelTime != value))
this._Post_travelTime = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_TimeDuration", DbType="VarChar(20) NOT NULL", CanBeNull=false)]
public string cd_TimeDuration
get
return this._cd_TimeDuration;
set
if ((this._cd_TimeDuration != value))
this._cd_TimeDuration = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_UnitType", DbType="Int")]
public System.Nullable<int> UnitType
get
return this._UnitType;
set
if ((this._UnitType != value))
this._UnitType = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_NoOfUnits", DbType="Int")]
public System.Nullable<int> NoOfUnits
get
return this._NoOfUnits;
set
if ((this._NoOfUnits != value))
this._NoOfUnits = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_IsCompleted", DbType="Bit")]
public System.Nullable<bool> cd_IsCompleted
get
return this._cd_IsCompleted;
set
if ((this._cd_IsCompleted != value))
this._cd_IsCompleted = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_AssignedTo", DbType="Int")]
public System.Nullable<int> AssignedTo
get
return this._AssignedTo;
set
if ((this._AssignedTo != value))
this._AssignedTo = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_cd_status", DbType="VarChar(50)")]
public string cd_status
get
return this._cd_status;
set
if ((this._cd_status != value))
this._cd_status = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Service_name", DbType="VarChar(200)")]
public string Service_name
get
return this._Service_name;
set
if ((this._Service_name != value))
this._Service_name = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_emp_first_name", DbType="VarChar(200)")]
public string emp_first_name
get
return this._emp_first_name;
set
if ((this._emp_first_name != value))
this._emp_first_name = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_emp_last_name", DbType="VarChar(200)")]
public string emp_last_name
get
return this._emp_last_name;
set
if ((this._emp_last_name != value))
this._emp_last_name = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_resident_first_name", DbType="VarChar(200)")]
public string resident_first_name
get
return this._resident_first_name;
set
if ((this._resident_first_name != value))
this._resident_first_name = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_resident_last_name", DbType="VarChar(200)")]
public string resident_last_name
get
return this._resident_last_name;
set
if ((this._resident_last_name != value))
this._resident_last_name = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_address", DbType="VarChar(200)")]
public string address
get
return this._address;
set
if ((this._address != value))
this._address = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_suburb", DbType="VarChar(200)")]
public string suburb
get
return this._suburb;
set
if ((this._suburb != value))
this._suburb = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_state", DbType="VarChar(200)")]
public string state
get
return this._state;
set
if ((this._state != value))
this._state = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_postCode", DbType="VarChar(200)")]
public string postCode
get
return this._postCode;
set
if ((this._postCode != value))
this._postCode = value;
[global::System.Data.Linq.Mapping.ColumnAttribute(Storage="_Application_Name", DbType="VarChar(50)")]
public string Application_Name
get
return this._Application_Name;
set
if ((this._Application_Name != value))
this._Application_Name = value;
我编写的执行该过程的代码如下
Service service;
res = new List<Service>();
var resultSet = context.sp_GetServicesForBulkUpdate(assignedTo, _fromDate, _toDate, programName, serviceID.ToString(), "ALL");
foreach (var item in resultSet)
service = new Service();
service.serviceDeliveryID = item.cd_id.ToString();
service.serviceID = item.service_id.ToString();
service.serviceStatus = item.cd_status;
service.serviceName = item.Service_name;
service.serviceStartDate = string.IsNullOrEmpty(item.cd_Date) ? "" : item.cd_Date;
service.serviceStartTime = item.cd_StartTime;
service.serviceEndDate = string.IsNullOrEmpty(item.cd_Date) ? "" : item.cd_Date;
service.serviceEndTime = item.cd_EndTime;
service.serviceLocation = ((string.IsNullOrEmpty(item.address) ? "" : item.address + ", ") + (string.IsNullOrEmpty(item.suburb) ? "" : item.suburb + ", ") + (string.IsNullOrEmpty(item.state) ? "" : item.state + ", ") + (string.IsNullOrEmpty(item.postCode) ? "" : item.postCode + " ")).Trim().TrimEnd(',');
service.serviceUnitType = item.UnitType;
service.serviceNoOfUnits = item.NoOfUnits;
service.employeeID = Int32.Parse((item.AssignedTo.HasValue ? item.AssignedTo.ToString() : "0"));
service.employeeFirstName = string.IsNullOrEmpty(item.emp_first_name) ? "" : item.emp_first_name;
service.employeeLastName = string.IsNullOrEmpty(item.emp_last_name) ? "" : item.emp_last_name;
service.residentID = item.resident_id;
service.residentFirstName = item.resident_first_name;
service.residentLastName = item.resident_last_name;
service.isAssigned = (item.AssignedTo.HasValue && item.AssignedTo != 0) ? true : false;
service.isActive = item.cd_IsCompleted.ToString() == "0" ? false : true;
service.serviceAppName = item.Application_Name;
res.Add(service);
如果可能有任何帮助，这里是过程返回的一些示例数据
任何人都可以提供任何帮助吗？
编辑
附件截图中的日期格式是m/dd/yyyy，因为是excel表格。实际格式为yyyy-mm-dd
【问题讨论】：
可能是因为SELECT语句中的FORMAT(CAST(cd_Date AS DATETIME) , 'yyyy-MM-dd') AS cd_Date。 我在其他程序中也使用了相同的方法，运行顺利。我只收到此过程中的错误。 @SurajKumar 你是对的，FORMAT(CAST(cd_Date AS DATETIME) , 'yyyy-MM-dd') 造成了问题。谢谢大佬。 【参考方案1】：在调查过程后，我发现FORMAT(CAST(cd_Date AS DATETIME) , 'yyyy-MM-dd') AS cd_Date 造成了问题。因为我的数据已经是那种格式，当CAST(cd_Date AS DATETIME) 尝试转换datetime 中的varchar 值时，它会给出错误。
据我说，CAST(cd_Date AS DATETIME) 期待varchar 日期为yyyy-dd-MM 格式，因为我用来查询数据库的用户的语言设置为英国（我从this question 得到这个提示），所以当它将日期转换为2015-05-16（格式为yyyy-MM-dd），它会给出错误
将 varchar 数据类型转换为 datetime 数据类型导致值超出范围
如果我有错误，请纠正我，如果有遗漏，请添加任何内容。
【讨论】：
【参考方案2】：DECLARE @finalResultSetTempTable AS TABLE (
cd_id BIGINT NOT NULL ,
service_id INT NULL ,
resident_id VARCHAR(20) ,
cd_Date VARCHAR(20) ,
cd_StartTime VARCHAR(20) ,
cd_EndTime VARCHAR(20) ,
Pre_travelTime VARCHAR(20) ,
Post_travelTime VARCHAR(20) ,
cd_TimeDuration VARCHAR(20) ,
UnitType INT ,
NoOfUnits INT ,
cd_IsCompleted BIT ,
AssignedTo INT ,
cd_status VARCHAR(50) ,
Service_name VARCHAR(200) ,
Application_Name VARCHAR(50) ,
emp_first_name VARCHAR(200) ,
emp_last_name VARCHAR(200) ,
resident_first_name VARCHAR(200) ,
resident_last_name VARCHAR(200) ,
address VARCHAR(200) ,
suburb VARCHAR(200) ,
state VARCHAR(200) ,
postCode VARCHAR(200)
);
SELECT cd_id , service_id , resident_id , CONVERT(datetime,cd_Date,103) AS cd_Date , ISNULL(cd_StartTime , '12:00 AM') AS cd_StartTime , ISNULL(cd_EndTime , '12:00 AM') AS cd_EndTime , Pre_travelTime , Post_travelTime , ISNULL(cd_TimeDuration , '0') AS cd_TimeDuration , UnitType , NoOfUnits , cd_IsCompleted , AssignedTo , cd_status , Service_name , emp_first_name , emp_last_name , resident_first_name , resident_last_name , address , suburb , state , postCode , Application_Name
FROM @finalResultSetTempTable
【讨论】：
您是否检查了相关数据集中日期列中的任何问题？ 是的@Harshana 我发现了问题并解决了它。我还发布了解决方案作为答案。以上是关于即使没有 datetime 列，也获取“将 varchar 数据类型转换为 datetime 数据类型导致超出范围的值”的主要内容，如果未能解决你的问题，请参考以下文章
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