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Unable to insert decimal to sql server table through c# code

开发者 https://www.devze.com 2023-03-02 11:43 出处:网络
I\'m not able to insert decimal values into Sql Server table. What i\'m trying to do is self explanatory through these lines of code:

I'm not able to insert decimal values into Sql Server table.

What i'm trying to do is self explanatory through these lines of code:

long fileSizeInBytes = ComponentUploadControl.FileContent.Length;
Decimal fileSizeInMB = Convert.ToDecimal(fileSizeInBytes) / (1024.0m * 1024.0m);
Decimal fileSizeInMBRounded = Math.Round(fileSizeInMB, 2);
cmd.Parameters.Add("@fileSize", SqlDbType.Decimal).Value = fileSizeInMBRounded;

The value that is getting inserted into database is stripped of the decimal places. To be more specific if the fileS开发者_JAVA技巧izeInMBRounded is 11.73, the value that is getting inserted into database is 11,00

Please help me

Thanks in anticipation


My suspicion is that your decimal field is set up wrong in SQL. What you want is a decimal(18,2) field which allows for 2 decimal places. My suspicion is that you declared the field as decimal(18,0) (the default), which does not allow for any decimal places.

If you can use SQL Server Profiler to verify the contents of the INSERT going to your DB, it would be easier for you to determine whether a problem like this is due to your code or something on the SQL server.


Try to set the SqlParameter.Scale to 2.

SqlParameter parameter = new SqlParameter("@fileSize", SqlDbType.Decimal);
parameter.Scale = 2;
parameter.Value = fileSizeInMBRounded;
cmd.Parameters.Add(parameter);

Also look into Precision property as suggested by Bruno (default is 0).


You should set Scale and Precision.

I think that is the problem.


Your parameter looks fine. I would check the data base column data type

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