oledbconnection

Modify existing excel Connection Name in VBA

由 守給你的承諾、 提交于 2019-12-04 03:36:27
问题 I need to update the Connection Name of an excel workbook's sql connection. This is my attempt. I have been able to modify the Connection String and Command Text by doing a standard replace. Sub ConnectionString_modify() Dim i As Long Dim cnt As Long Dim modtext As String Dim modrange As String 'Grab nummber of workbook connections cnt = ActiveWorkbook.Connections.Count For i = 1 To cnt 'Changes to Connection string --This works modtext = ActiveWorkbook.Connections.Item(i).OLEDBConnection

Unrecognized database format accdb in visual studio

由 一笑奈何 提交于 2019-12-03 21:34:35
I am using visual studio community 2017 Access 2010 - 2016 I can import an access file I created File sent from client contains(tables, queries, forms, macros, and modules) Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:\Users\jeremiah\Documents\Batching.accdb Client sent me another basic file, was able to open without a problem So I been through all current stack over flow solutions for people reporting the unrecognized database error and none of them have been useful. My only theory is that the database they are using is to complicated to be used as a data source for visual studio. Do you

Reading from Excel: Microsoft.Jet.OLEDB.4.0 error on 64 bit systems

由 微笑、不失礼 提交于 2019-12-03 07:45:46
I am reading the contents of an excel sheet in my application using: OleDbConnection con = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileName + ";Extended Properties=Excel 8.0"); _myDataSet = new DataSet(); OleDbDataAdapter myCommand = new OleDbDataAdapter(" SELECT * FROM [" + "My Sheet" + "$]", con); myCommand.Fill(_myDataSet); con.Close(); This is failing in 64 bit systems with the error: Microsoft.Jet.OLEDB.4.0' provider is not registered on the local machine How to make this work in 64 bit machines? Microsoft.Jet.OLEDB doesn't have 64bit version, only 32bit.

Export DataBase (.mdb / .accdb) to .csv with row selection

由 寵の児 提交于 2019-12-02 23:14:23
问题 What I must do: I Need to load a Database, search entries and Export the selected columns. The Problem: I got a DataGrid (no DataGridView ) for list and select the Database entries and I cant get any solution to Export only the selected rows with ; as seperator. Code how I load and list the DataBase using (OleDbConnection ODC = new OleDbConnection("Provider = Microsoft.Jet.OLEDB." + iOledDBVersion + "; Data Source = " + connectionString)) { OleDbCommand ODCmd = new OleDbCommand(insertSQL);

Inserting values in a oracle databse using oledb in vb .net, VS 2008

由 十年热恋 提交于 2019-12-02 17:48:49
问题 Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim insertOk As Boolean = True Dim con1 As OleDb.OleDbConnection Dim cmd As OleDb.OleDbCommand Dim query As String Dim temp As Integer con1 = New OleDb.OleDbConnection("Provider=MSDAORA.1;Data Source=localhost;Persist Security Info=True;Password=sys;User ID=nitishok") con1.Open() query = "insert into APPLICANTS(APPLICANT_ID,FIRST_NAME,MIDDLE_NAME,LAST_NAME,SEX,F_H,TOWN,TALUKA,DISTRICT

Inserting values in a oracle databse using oledb in vb .net, VS 2008

由 断了今生、忘了曾经 提交于 2019-12-02 10:21:20
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim insertOk As Boolean = True Dim con1 As OleDb.OleDbConnection Dim cmd As OleDb.OleDbCommand Dim query As String Dim temp As Integer con1 = New OleDb.OleDbConnection("Provider=MSDAORA.1;Data Source=localhost;Persist Security Info=True;Password=sys;User ID=nitishok") con1.Open() query = "insert into APPLICANTS(APPLICANT_ID,FIRST_NAME,MIDDLE_NAME,LAST_NAME,SEX,F_H,TOWN,TALUKA,DISTRICT,LANDLINE,MOBILE,BLOOD_GROUP,EDU,DOB) values(:aid,:fn,:mn,:ln,:s,:fh,:tw,:tl,:ds,:land,:mob,:bg,:edu,:dob

OleDbConnection close method taking long execution time

由 限于喜欢 提交于 2019-12-02 05:16:42
conStr = String.Format(conStr, FilePath, isHDR); OleDbConnection connExcel = new OleDbConnection(conStr); OleDbCommand cmdExcel = new OleDbCommand(); OleDbDataAdapter oda = new OleDbDataAdapter(); DataTable dt = new DataTable(); cmdExcel.Connection = connExcel; //Get the name of First Sheet connExcel.Open(); DataTable dtExcelSchema; dtExcelSchema = connExcel.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null); string SheetName = dtExcelSchema.Rows[0]["TABLE_NAME"].ToString(); connExcel.Close(); I am using above code to read excel. But it stuck at connExcel.Close(); for few seconds and then move

OleDBException error INSERT

由 醉酒当歌 提交于 2019-12-02 01:09:52
I build a c# application where you can login and can register a new account. But when I click on my button new account, and fill in the required fields I will get the following error: vcom.ExecuteNonQuery(); -> OleDBException was unhandled. The instruction INSERT contains a syntaxerror. See here below our code: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; namespace Eindopdracht { public partial class maak_account : Form {

OledbConnection Close and/or Dispose are very slow, take 20s to execute

由 混江龙づ霸主 提交于 2019-12-01 22:52:55
问题 While using OleDbConnection to access sheet names of the excel files I encountered a problem. Everything in the code executes fine and works, until the OleDbConnection closes at the end of the using statement. This causes the program to stop for 15-20 seconds or more! I've tried getting rid of the using statement and individually using the OleDbConnection.Close() and OleDbConnection.Dispose() methods, both of those take incredibly long to execute as well. If I never close the connection at

OleDbConnection Dispose very slow (2s)

由 a 夏天 提交于 2019-12-01 20:59:57
问题 I have a problem with a OleDbConnection accessing a .mdb File on a Windows share in the same network. When it gets disposed at the end of the using part, it needs more than 2 seconds for that. Opening the connection and executing the query or filling the DataTable only needs up to 50ms. that's my code: private const string DbStConnectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;data source=\\master\db\datenezpz2004\dbST.mdb"; private const string DbStConnectionStringIp = @"Provider
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