Save Datatable Content Into Sql Database Table?
Mar 15, 2012
I'm creating an small application where I search from the databse table tems and add the result line to a datarow of my datatable "dt", I the set the datagridviewe datatsource to this same dt.How can I save this dt content into another table of the same database.I'm not ussing stored procedures and dont understand much of parameters.
CODE
Dim cs As New SqlConnection("Data Source=myserver;Initial Catalog=mydatabase;Integrated Security=True")
Dim da As New SqlDataAdapter
Dim ds As New DataSet("Chosed")
[code]....
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Mar 10, 2010
How to Save DataTable Structure And Data Into A Datatbase Table..
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Aug 30, 2009
I want to add a new table in my accdb and copy the content tfrom an existing table into the new one.
Is there an easy way to do this?
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Aug 10, 2011
I am trying to create a console application that does the following:
1) read a text file
2) Save the content over to a SQL Server database
3) Use command line arguments to allow user to specify any delimited file
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Jul 22, 2011
How to save DataGridView content into a database?
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Aug 29, 2011
I am trying to create an application which reads an xml file and copy the data in an sql database TEMP table, which has the same format.
XML file format:
<?xml version="1.0" encoding="iso-8859-7"?>
<prices>
[code]....
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Aug 10, 2011
I am trying to create a console application that does the following:
1) read a text file
2) Save the content over to a SQL Server database
3) Use command line arguments to allow user to specify any delimited file
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Sep 27, 2010
how to update my database table by the data inside my datatable.this is my class
public class Sample
Private ds As New DataSet("myDs")
private dt as new Datatable("myDT")
Private data_adapter As SqlDataAdapter
[code]....
i had problem in sub deleterow AcceptChanges() method not seems to work.i cannot update my database if i put AcceptChanges() method after the delete row..if i delete 1 row then hit the updatedatabase sub the record in my database is the same..seems like there is no delete happened..my server is mssql2000
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Dec 30, 2009
I am using Dynamic Textboxes. I am Loading table in Datatable from Database. From that Datatable i am naming the textboxes. After entering some values in the textboxes during runtime, i want that values to be added to the database. So i Coded as below. But i am getting errors as value of type '1-dimensional array of System.Windows.Forms.Control' cannot be converted to 'System.Windows.Forms.TextBox'.Here's my coding
Private Sub btn_click(ByVal sender As Object, ByVal e As System.EventArgs)
[Code]...
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May 1, 2012
I have an application that users will save a list of clients to a database. The extension on the database is .sdk, and I think is some kind of sql database. The user can save rows and add rows to maintain a client list, but when I release an update, I have to install it without the database file. If I install with the database file, then their current client database is replaced with a new blank database.
my issue is that I need to add columns to tables in their existing database without overwriting their current rows. For example, i have columns for client name, address, and phone number currently. On my next update, I want the user to be able to save client birthdays. Here is what I have:
[Code]...
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Dec 27, 2011
I have a DataTable (comprising of three columns) created at runtime & populated by the users selections in other parts of the app. The DataTable is required as I need to manipulate the users data before graphing it, etc.I now need to save the DataTable (& associated data) to an Access DataBase so that I have a record of what the users data was.
Everything works fine apart from the saving of the DataTable bit........
I've managed to get the following working :-
For Each row As DataRow In ResponseTable.Rows
[code].....
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Jun 1, 2011
I am trying to convert some old VB6 code into VB.NET. The old code used DAO and now I am trying to replicate it in ADO.NET/OleDB. I have made some advances (I think...) but now I can't figure out how to add the DataTable object into the database.[code]So instead of the TableDef, I am taking the data from the same sheet and putting it in a DataTable object (dt). I hope this is correct so far. Now my question is how to replicate the m_db.TableDefs.Append td line from above.
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Nov 5, 2010
In a web applicaion using vb.net as the code behind. I have created a DataSet (hdar) in the designer with a data table and table adapter (AccessRequests). I am trying to add a row to the database table using datatable.add row
[Code]...
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Dec 19, 2009
How do I perform an sql query onto a DataTable not a Database table?
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Feb 29, 2012
I have a datatable with some rows I need to insert that datatable in to database using a stored procedure.
For Each row As DataRow In dt.Rows
cmd.Parameters.Add(New MySqlParameter("@DOWNLOAD_ID", dt.Rows(0)("DOWNLOAD_ID").ToString()))
cmd.Parameters.Add(New MySqlParameter("@FINALY_FIELDCODE", dt.Rows(0)("FINALY_FIELDCODE").ToString().Replace("|", "").ToString()))[code]....
When i do this I got an exception {"Parameter '@DOWNLOAD_ID' has already been defined."} How to get rid of this exception and can we insert the datatable with out for loop.
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Mar 18, 2010
I am working with VB.NET.. i have a DataTable called "QUESTION", containing 3 fields:
QuestionNumber (unique integer key)
QuestionText
QuestionType
In my SQL Server database I created a Table called "QUESTION" with the same fields.
QuestionNumber is defined as integer unique key, auto increment
Now, when i make a bulk copy to insert the DataTable into the SQL Server, the database overwrites my QuestionNumber from the DataTable and generates new ones (starting from 1 increment 1).
How do i have to change my database setup, that the original QuestionNumbers are copied into the database?
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Apr 29, 2009
Source: DataTable
Destination: Access Database Table
I should mention that the DataTable contains data resulted by an SQL SELECT query and it's not related to the "targeted" Access Database Table.
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Oct 26, 2011
I want to track changes in an application. So I've made a copy of the main table in that application, and am accessing both tables in the application using two separate datasets.
My plan was to use the HasChanges method of the main DataSet to get changed rows and then insert those into the copy table. When I run the code I get an error:
A first chance exception of type 'System.InvalidCastException' occurred in MyApp.exe
Unable to cast object of type 'MainDataTable' to type 'MainAuditDataTable'.
Here's the code:
If Me.DataSet3.HasChanges Then
' 'look for each row that has changes, not new rows
' 'insert that row into the auditing table
[Code].....
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Jun 3, 2012
I need to write a method in C# to save all rows in a given datatable back to the database, but I cannot depend on the rowstate of each row. I can't think of how best to do this without extensive looping through the database table data or constant database querying.
I want to essentially perform the following insert / update for each row in the datatable, but more efficiently:
[Code]...
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Apr 30, 2010
I am quite new at this so bear with me. I am trying to just download data, save it row by row into a database, then upload it (sorta a backup). I am using vs2010 and VB. The database I have in vs is a .sdf (not sure if i should remake as a .mdf) and the download of data is working fine. Saving it into a table isnt going so well. I am using a form to click a button to start the download, and most of my vb code is in another vb file. Making it into a method is causing me no end of pain due to the object refernce errors and nonshared reference errors. But I go to far for this. Anyways I tried to use
[code]...
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Apr 9, 2010
Is it possible to use FileSave to save a richTextBoxs content with a fixed save path, without needing to go thru the save dialogue to select save location.
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Jan 14, 2012
I have a register.aspx and a login function and i am using vb.net
in my register.aspx...i have a user name textbox and a password text and a submit button. IF the user click on the submit button, the password will be hash and store with the username in the database table called "Customer"
1st Qn: i have a problem is that i never try before hashing, so i not sure how to code it , hopefully if someone got a sample or example to teach me it will be nice
2nd Qn: besides that, in my login function, how am i going to compare the hash value for password that is store in database with the password in the textbox to allow to login?
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May 29, 2010
I have a large csv file that I want to read into my program and sve it to a SQL database table.I'm useing VB2008 and my dabase is SQL2008.
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Mar 11, 2010
Dim da2 As OleDb.OleDbDataAdapter
[code]...
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Mar 11, 2010
Dim da2 As OleDb.OleDbDataAdapter
Dim cols As Integer = Attendance_QueryDataGridView.ColumnCount
Dim rows As Integer = Attendance_QueryDataGridView.Rows.Count
[code].....
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Jun 5, 2012
i'm having problem saving my records into database here's my code
[Code]...
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May 20, 2012
I have a project in VB2010 it is well connected to the database (DB.accdb) access2007. I'm trying to save the photo into the database table using Binary method. I am successfully able to (Save, Search). my problem is in the EDIT button : I'm supposed to search first to return\display the info+Photo on the form controls (Textbox + PictureBox), now i want to do EDIT, i use sql string : SqlStr = "Update MyTable Set Field1 = '" & Text1.Text & "', PhotoOle = [b]????[/b]"
I'm not able to convert the PictureBox That contains the returned photo to Byes() using : ImageBytes = Ctype(PictureBox1.Image, Byte()) .... not working . -Or- ImageBytes = Ctype(DaraRead!PhotoOle, Byte()) .... not working either.
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Feb 5, 2010
I have a form that displays data from a table in a DataGrid.I put an unbound Check Box Column in the DataGrid.Upon a user's selection of the various check boxes within the DataGrid, I need to save this checked data to a different table in the database.
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Nov 15, 2011
My query is i want to save record from an excel sheet to my Database Table.
But i dont want to insert the Excel sheet as a whole rather i want to insert the record in my database table Row wise.Inserting the records is not the only thing but my major issue is i want to check and compare the Primary Key column of my Table with the Column in my Excel.
Suppose Table1 is my Sql Database Table,and RegistrationNo is the Primary Key Column.Similarly there is also a column of Registration Number in my Excel Sheet.
Now before inserting each record the RegistrationNo column should be compared.If the a registrationNo in the excel sheet say RegistrationNo 112 is already present in the table then it should not Insert the record and if its not present then it should insert.
Also the other issue is the number of columns in my Database table are more than the number of columns in my excel Sheet.So the columns that are not present in the excel sheet should be set to NULL while inserting the record in the Table.
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Feb 2, 2012
I'm using VB 2010 Express with a local Access DB. I am having trouble determing whether there are changes in a DataGridView to save back to the underlying DB.
The DB has been copied to the project directory and its properties (by selecting it in the Solution Explorer) include Copy to Output Directory: Copy Always, so I know that any changes I make when running a build will disappear on the next build. The problem I'm having is within a run / test session, working with the application.
The Access database has the following connection string, with Application scope:
Provider=Microsoft.Jet.OLEDB.4.0;Data Source="|DataDirectory|Component MI.mdb"
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