我已经在SQL Server 2005,其中的参数之一是针对我已经使用varbinary
如表中的数据类型的图像创建的插入命令的一个存储过程对于员工详细信息..SQL Server 2005的存储过程错误
但是,当我加入这个参数在存储过程中我收到以下错误 -
Implicit conversion from data type varchar to varbinary is not allowed. Use the CONVERT function to run this query.
存储过程:
(
@Employee_ID nvarchar(10)='',
@Password nvarchar(10)='',
@Security_Question nvarchar(50)='',
@Answer nvarchar(50)='',
@First_Name nvarchar(20)='',
@Middle_Name nvarchar(20)='',
@Last_Name nvarchar(20)='',
@Employee_Type nvarchar(15)='',
@Department nvarchar(15)='',
@Photo varbinary(50)=''
)
insert into Registration
(
Employee_ID,
Password,
Security_Question,
Answer,
First_Name,
Middle_Name,
Last_Name,
Employee_Type,
Department,
Photo
)
values
(
@Employee_ID,
@Password,
@Security_Question,
@Answer,
@First_Name,
@Middle_Name,
@Last_Name,
@Employee_Type,
@Department,
@Photo
)
表结构:
Column Name Data Type Allow Nulls
Employee_ID nvarchar(10) Unchecked
Password nvarchar(10) Checked
Security_Question nvarchar(50) Checked
Answer nvarchar(50) Checked
First_Name nvarchar(20) Checked
Middle_Name nvarchar(20) Checked
Last_Name nvarchar(20) Checked
Employee_Type nvarchar(15) Checked
Department nvarchar(15) Checked
Photo varbinary(50) Checked
代码在vb.net中调用存储程序 - >
公共功能提交(BYVAL OBJ时的UserData,选择BYVAL作为字符串)作为布尔
Using cnn As New SqlConnection(conn)
Using cmd As New SqlCommand
cmd.Connection = cnn
If opt = "Submit" Then
cmd.CommandText = "sp_emp_Registration"
End If
cmd.CommandType = CommandType.StoredProcedure
cmd.Parameters.Add(New SqlParameter("@Employee_ID", obj.EmpID))
cmd.Parameters.Add(New SqlParameter("@Password", obj.Pwd))
cmd.Parameters.Add(New SqlParameter("@Security_Question", obj.SecQues))
cmd.Parameters.Add(New SqlParameter("@Answer", obj.Ans))
cmd.Parameters.Add(New SqlParameter("@First_Name", obj.Firstname))
cmd.Parameters.Add(New SqlParameter("@Middle_Name", obj.Middlename))
cmd.Parameters.Add(New SqlParameter("@Last_Name", obj.Lastname))
cmd.Parameters.Add(New SqlParameter("@Employee_Type", obj.EmpType))
cmd.Parameters.Add(New SqlParameter("@Department", obj.dept))
cmd.Parameters.Add(New SqlParameter("@Photo", obj.photo))
cnn.Open()
Try
If (cmd.ExecuteNonQuery() > 0) Then
cnn.Close()
Return True
Else
Return False
End If
Catch ex As Exception
Return False
End Try
End Using
End Using
End Function
我不知道该怎么办......任何人都可以给我一些建议或解决方案吗? 在此先感谢。
你能提供SP吗?听起来像你已经创建了你的参数作为varchar而不是varbinary。 –
没有我用VARBINARY only..following是SP – user1670625
( 的Employee_ID为nvarchar(10)= '', 密码为nvarchar(10)= '', SECURITY_QUESTION为nvarchar(50)= '', 回答为nvarchar( 50)= '', 将First_Name为nvarchar(20)= '', Middle_Name为nvarchar(20)= '', LAST_NAME为nvarchar(20)= '', Employee_Type为nvarchar(15)= '', 部为nvarchar( 15)='', Photo varbinary(50)='' ) – user1670625