Question

I am doing a bulk insert:

// Get the data into the DataTable
//dtData = GetData(...);

// Create an object of SqlBulkCopy
SqlBulkCopy objSBC = new SqlBulkCopy(connection);
// Specify the destination table
objSBC.BulkCopyTimeout = 0;
objSBC.BatchSize = 10000;
objSBC.DestinationTableName = "QuickLabDump";
// Write the data to the SQL Server

objSBC.WriteToServer(QuickLabDump);

my datatable that i am inserting looks like this:

QuickLabDump = new DataTable();

QuickLabDump.Columns.Add("Time Collected", typeof(TimeSpan));
QuickLabDump.Columns.Add("Time Entered", typeof(TimeSpan));
QuickLabDump.Columns.Add("Time Completed", typeof(TimeSpan));
QuickLabDump.Columns.Add("Test Time", typeof(TimeSpan));

QuickLabDump.Columns.Add("Date Collected", typeof(DateTime));
QuickLabDump.Columns.Add("Date Entered", typeof(DateTime));
QuickLabDump.Columns.Add("Date Completed", typeof(DateTime));
QuickLabDump.Columns.Add("Test Date", typeof(DateTime));
......

When I run the bulk insert from c# (code above), I am getting the following error:

The given value of type DateTime from the data source cannot be converted to type time of the specified target column.

I think the problem is that I am inserting typeof(DateTime) into a sql server 2008 table that is time(0)

Here’s a sample of the data that I am inserting:

6:50:00 AM
6:50:00 AM
6:50:00 AM
10:36:00 AM
4:45:00 PM
7:39:00 PM

Question: how do I define a datatable column properly so that it will insert the above time values into a time(0) column?

Here are values that already exist in the database table in the time(0) fields:

14:57:00
14:58:00
14:58:00
14:57:00
10:49:00
13:31:00
14:02:00
14:13:00
14:20:00
14:56:00
15:00:00

This is how I am adding data into DataTable:

 public DataTable dt;
        public ReadFileIntoDataTable(string inputfile)
        {
            using (GenericParserAdapter parser = new GenericParserAdapter())
            {
                parser.SetDataSource(inputfile);

                char[] delimiters = new char[] { ',' };
                parser.ColumnDelimiter = delimiters[0];
                parser.FirstRowHasHeader = true;
                //parser.SkipDataRows = 10;
                parser.MaxBufferSize = 4096;
                //parser.MaxRows = 500;
                parser.TextQualifier = '\"';

                dt = parser.GetDataTable();   


            }

Answer 1

i created explicit column mappings between my datatable and the sql server table:

objSBC.ColumnMappings.Add(new SqlBulkCopyColumnMapping("datatable column name","sql server column name"));

for all columns…..
and that did the trick!!!