Sql :: There Are Fewer Columns In The INSERT Isn't The Answer?
Jun 30, 2010
I have an application that converts one database to another and one of the functions I use is insert_Note below. This application has multipule threads all inserting diffrent data into the new database. The code below works for a number of inserts ranging between 24 and 120 but then fails with the error:There are fewer columns in the INSERT statement than values specified in the VALUES clause. The number of values in the VALUES clause must match the number of columns specified in the INSERT statement.I you look at the code you will see that this cannot be the problem as the code works for some inserts but not all. What else can cause this error in a multithread applicationuld be welcome as I have spent three days on this and got no where!
*Public sub insert_Note
Dim sql As String
Dim cmd As New SqlClient.SqlCommand
I have a DatagridView with 12 columns. I would like to insert 3 Columns AFTER it has been filled with data from the table.The first New column should contain the total of Col1, Col2, Col3.The second new column should contain the total of the (old) Col4, Col5 , Col6...
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There are plenty of SELECT (...) VALUES (...) statements and Parameters phrases to go with the VALUES. Those appear unhelpful to me as I have no form fields or datagrids and will be working with all the rows in a DataTable in a DataSet. Once started, this application will run to completion, writing as few as 10000 rows or as many as 250000 rows
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My source is a DataTable, my target for the Insert is a "tall-skinny" table in an Access database. There is a smaller DataTable that is related to the source DataTable, if I was writing from within the AccDB I would use Joins. I have created a DataRelation, but have no idea how to use it in this context..
I have tried many different SQL statements but they all fail on Select. Here are snippets of the code:
'now, instantiate the specified DataTable from among the DataTables filled above strDDTableNm = CStr(rsDDTblNms.Fields("Table_Name").Value) Dim dtSrcTable As DataTable
what to do as i used Openrowset but it didnot works well the sheet contain variable no of columns.
Dim sConnectionString1 As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & exfname & ";Extended Properties=""Excel 8.0;HDR=Yes;IMEX=1"""[code]...
This works well when having about 240 columns, but if it exceed to 256 it gives error and the connection would not get open.So i decided to use bulk insert into a temp table,how to bulk insert from specific sheet of workbook I have tried
select * into test1 from ( select * from OpenRowset( 'Microsoft.Jet.OLEDB.4.0',[code]....
But it didnot works when number of columns exceed but works well on sql when columns are less.
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I am using the following code to alter an table imported from an Excel spreadsheet
Dim SQL As String = "ALTER TABLE receipts ADD payee integer, account integer, category integer, reconciled boolean" Dim dataread As New OleDb.OleDbCommand() dataread.Connection = Connection1
[code]....
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I've the following code which successfully makes an average for all the columns from a table. What I need to do though is ignore certain columns in this equation.
Dim totalNumber as Double = 0 Dim count as Integer = 0 For x = 0 To xyz123.Tables(0).Columns.Count - 1
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