Hi, is it possible to use OLE DB in MFC C++ to execute universal query? I want to create function, one of parameters is sql query and I want to return something like two dimensional array with rows and columns returned by query. The problem is, I don't know the structure of the query (of returned data), so I can't use CAccessor. Thanks...
Hello All, I am trying to add data from a dataset to an access table(.mdb). I am getting this error when I try to insert the values in the table. This is the code DataSet ds = new DataSet(); Console.Write("The NAME IS: " + FileName.Text.ToString()); ds.ReadXml("C:\\Dallas_Test\\Offense_7_1_2010\\" + FileName.Text.ToString(...
Hi All, I'm developing a C++ application using OLEDB to communicate to SQL Server Compact Ed. 3.5. One feature of my application is a filter that helps the user narrow down data. Unfortunately, the selection criteria for the filter may become quite complex as the user may select data associated with various countries, keywords, categor...
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.Windows.Forms; using System.Data.OleDb; using System.Data.Odbc; namespace Username { public partial class Form2 : Form { public Form2() { InitializeComp...
I have created my setup in .net framework 2.0 and im using Windows 7 and its 64 Bit.Gives the error when i open the application Unhandled Exception:"Oledb 4.0 is not registered on the local machine"How to fix problem.(My works for 32 bit fine.. No problem) ...
Hi, I am developing a win .net application which runs continuously in server machine. Application will get connected with access(mdb) databases resided in several client machines using Jet 4.0 OLEDB provider. Each connected database was already in use by some other application installed locally. My app successfully communicates with...
I access data in .dbf files via System.Data.OleDb (vfpoledb.dll). How can I find out whether table exists via SQL command? Something similar to the following on SQL server: IF (EXISTS (SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 'TheTable')) BEGIN --Do Stuff END ...
Hi, I have an issue to retrieve the columns names in an Excel sheet. I have an Excel sheet with only 3 cells in the first row with these 3 values: in A1: A in B1: B in C1: A.B.C When I try to execute my method the label shows: A,B,A#B#C And not: A,B,A.B.C My Code: protected void btnExecute_Click(object sender, EventArgs...
how to add.paramete i use i have to insert multi value for making submition form string connectionString12 = ConfigurationManager.ConnectionStrings["mobile_db"].ConnectionString; OleDbConnection con = new OleDbConnection(connectionString12); OleDbCommand cmdinsert = new OleDbCommand("insert into brand_tbl (brand_name)v...
I don't get it! I'm doing a simple insert in an access db. static void EcrireDansBD() { //Connection a la BD string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;data source=me.mdb"; OleDbConnection conn = new OleDbConnection(connectionString); //works string sql = "INSERT INTO HQ_POINTS (NORD,EST,ELEV) VAL...
Currently we're doing some bulk loading using IRowsetFastLoad and we're getting about 50,000 rows per second. My gut tells me that's low and given the upper bound of the data sizes (around a billion rows), it would be real nice to get that 50K as big as possible. Does anyone have metrics on what we should expect from IRowsetFastLoad? ...
Possible Duplicate: Multiple-step OLE DB operation generated errors Dim NorthWindOledbConnection As String = "Provider=SQLOLEDB;DataSOurce=SARAN-PC\SQLEXPRESS;Integrated Security=ssp1;InitialCatalog=Sara" Dim rs As New ADODB.Recordset() rs.Open("select * from SecUserPassword", NorthWindOledbConnection, ADODB.CursorTypeEnum.a...
I'd like to know if Jet/OLEDB access to Excel works with the driver alone. ...
I'm really confused on how to go about doing this. - I want to be able to upload an excel sheet from my web app using the fileupload control. - Next, I want to read each individual row under the first row. (so starting from row 2, row 1 will be the column title). - Finally, I want to pass the Strings I've read into another method that'll...
I'm trying to run my asp.net application on a windows machine (XP SP3, Vista, 7) which has only Microsoft.ACE.OLEDB.12.0 as the database engine installed and need to connect to the standard aspnetdb.mdf user database. Does any one know it is possible to use a connection string that works with mdf files in such a condition? I used connec...
I've fixing a bug in an OLEDB driver implementation that provides access to our proprietary database. The problem that I'm having is that after executing a command to write a newly inserted record to disk I need to update an identifier column defined as DBCOLUMNFLAGS_ISROWID. This column needs to hold the physical offset of the record ...
What would be the fastest way of retrieving data from the Oracle DB via OLEDB? It should be portable (have to work on Postgres and MS SQL), only one column is transfered (ID from some large table). Current performance is 100k rows/sec. Am I expecting too much if I want it to go faster? Clarification: datatable has 23M records Query...
Hello fellows, good day. I am using an OLEDB connection to connect to DB2 database. I am having problems mapping the dates from database inside .NET. In my business object I defined a private DateTime _genftmdpdate=DateTime.MinValue; But whenever I fetch the date from database and populate inside my variable I get Specified Cast not val...
Before everyone here closes this question for being a duplicate, I should say that I have looked at the other ones, and tried the answers with no luck. Here's the connection string I'm using strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + FilePathBox.Text + ";Extended Properties=\"Excel 12.0;HDR=Yes;IMEX=1\""; I've sear...
Hi, I'm trying to read Excel spreadsheets with a 64bit Process. Therefore I use the 64 bit Version of Micorosft Access Database Engine 2010. The following code var cs = @"Provider=Microsoft.ACE.OLEDB.12.0;" + @"Data Source=C:\test.xls;" + @"Extended Properties=""Excel 14.0;"""); con = new OleDbConnection(cs); con.Op...