Byval Dataset And Datatable Sub - Save My Changes And Insert New Records To Appropriate Tables>?
Mar 15, 2010
I want to create a sub that gets changes from my typed dataset and datatable. But it says mydatatable is not a public member of dataset. Passing in as objects.
Public Sub GetRateChanges(ByVal myDataSet, ByVal myDataTable)
If myDataSet.HasChanges(DataRowState.Modified Or DataRowState.Added) Then
' Create DataSet variable.
Dim xDataSet As DataSet
[CODE]...
Another question. . I pull this infor from a view via tableadapter and it comes from several different tables.. How could I save my changes and insert the new records to the appropriate tables>?
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Mar 27, 2012
I have this piece of code wich works perfectly when inserting records into one table using records from another table. My question is that now i need to create another table by using records from 3 other tables (tables are related). Can i use aliases on the column names, like on Oracle SqlPlus? How will be the syntax of the 'INSERT INTO SQL statement?
Dim MyConn As ADODB.Connection
Dim MyRecSet As ADODB.Recordset
Dim tmpSQL As String
MyConn = New ADODB.Connection
[code]....
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Dec 19, 2009
I've got a form where a user enters data. When the user submits that data, it inserts a record to two separate tables via a dataset. One of the records has no problem being saved into the database (in the table it was put into), but the other record seems to temporarily be in there (according to a third form), because it exists for the duration of the application, but when I exit, and then check the database, it's not there, and it's not shown on the third form when I restart the application again either.
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Aug 17, 2009
How can i execute my query to insert records in tables?[code]...
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Jul 18, 2010
i have a register form and a dataset called clifs_project21Dataset.xsd
i just want to update
de info from register form to dataset and i use acces 2007
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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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Apr 5, 2011
I don't know why it is not saved to the table. Here is my code.
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As _
System.EventArgs) Handles btnSave.Click
Try
[Code]....
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Mar 23, 2010
1. Can someone show me sample codes on how to do that ?
2. I encountered a problem with the INSERT sql statement. I keep receiving syntax error in insert statement exception. Is there anything wrong with the statement ?
[code]...
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Dec 15, 2011
I created table named "tb_sale" using ms access 2007, it has 5 columns (date, product, qty, price, total)
I created a listview which has same columns with tb_sale (date, product, qty, price, total) Then, I dragged a datagrid (tb_saledatagridview) from tb_sale to the form, hoping i can insert multiple records from listview to tb_saledatagridview.
I manage to insert record from listview to unbound datagrid, but not for bound datagrid. code that I can use to insert and save data from the listview to tb_saledatagridview.
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Dec 29, 2011
How do I update records in a dataset with records in a transaction file?
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Oct 29, 2010
In my datagridview I was fill in using join tables (table1 = pr_employees, table2 = pr_employee_deduction). My problem now is during save button I want to update records from table2 only.[code]
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Aug 10, 2011
I have an asp.net application where I have a datatable ("DataTableA") that returns just one column ("ProductID").
I want to read each row of "ProductID", process some business logic, then copy both those columns (ProductID & ProductIDBusinessLogicValue) to DataTableB. This DataTableB is then displayed on the asp.net page.
What would bhe the best way to read each row of DataTableA ?
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Mar 15, 2010
When the user clicks an "Edit" button on my form, I want a box to come up which allows the user to edit a DataTable in a strongly-typed DataSet. What's the best way to do this?
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Jan 28, 2010
I have code running in the Datatable.ColumnChanging event in my dataset. This dataset underlies a form and conventional drag/drop controls are in place for data entry.when the event triggers and runs, I am running code in the form that checks the dataset.HasChanges property. It is showing False. But this is immediately after the ColumnChanging event has been triggered.Okay, I see by others posts and MSDN that .HasChanges will only be true after moving off the row with the changed column. I have also noted lots of discussion about the advanced binding property of DataSourceUpdate Mode, but that does not address this issue.I guess I can do this by checking the state of the row for the binding source. Just seems odd that the event behind the dataset can be triggered and that does not change the dataset.HasChanges property.
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Jun 12, 2009
<script runat ="server" >
Dim objDT As New System.Data.DataTable
Dim objDR As System.Data.DataRow
[code]......
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Oct 31, 2010
how to copy data from datatable to table in dataset i ry this but its readonly property
ds.datatable1=newdt.copy
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Mar 15, 2012
i want to show records from other tables but this error occurs
Sub fillorderdetail()
conn.Open()
Dim adpt As New SqlDataAdapter("select * from orderdetail", conn)
[Code].....
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Jun 10, 2011
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
Textbox1 how the text box by real-time data monitoring?
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Jun 6, 2011
i have 3 tables in ms access that is patient , NOK,and admission they have related fields, i am using vb 2005. when i delete a record from the patient table i want the related records from the other tables to be deleted.
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Jan 4, 2012
How can I use Linq to SQL in Vb.net to combine the records of two tables into a datagrid such as shown in this example:Assume i have two tables tbl1 and tbl2
tbl1:
col1 col2
A1 B1
A2 B2
tbl2:
[Code]...
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May 30, 2012
i've implemented a system on vb.net 2010 having its database on Ms Access 2010 (.accdb). i have to read records from the tables to a combo box by binding its datasource to the tables directly. the problem is that the data in the combo box is not sorted since in the database itself the records are not sorted. how can i achieve the sorting?
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Mar 9, 2011
I'm trying to utilize two tables with SQLReader but it's not working as planned.This is a simple explanation:
Table1 has columns c1 and c2, both integer.
Table2 has column data that is string (numeric with hyphen separators).
A typical record has this: : 20123-456-9834-167
The user inputs two integer values in variables uf2 and uf3.I want to get records from table1 that match the criteria:
1. Column c2 equals uf2.
2. A table2 record is found that:
a. has "-" + c1 at the end. (e.g. If c1 value is 167, the record above matches.)
b. has "-" + uf3 elsewhere in the record. (e.g. If uf3 value is 456, the record above matches.)
There is no "relationship" between the two tables.
The pertinent SQL code I have tried is similar to this:
dim strQuery as string = "SELECT c1, c2, data FROM table1, table2 WHERE " & _
"c2 = @f2 AND data LIKE '%-' + c1 AND " & _[code].....
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Apr 13, 2012
I have about 4 different tables with the exact same column names. What I would like to do is select the top 4 records out of all of these tables combined ordered by date (as date is one of the columns that they all share).
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Jan 5, 2012
I'm making this program that opens the same forder in every pc but it identifies the pc name to do it.
Public Class cv7import Private Sub cv7import_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code]...
but I want it to do it with the pc's name and I'm not sure how the environment.systemdirectory works, or even if it's the right one to use. Is it the right thing to use or is there a better solution.
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Jul 19, 2011
When I create a form using only one table in a database this works fine. However when I create a form that uses at least two tables I am getting an error on my ReceiptsAdapter (or my SQLDataAdapter). It's saying that I am using the incorrect syntax and need the keyword "From." I am assuming that I am getting this error because I am using multiple tables in my SQLCommand statement.
Imports System.Data
Imports System.Data.SqlClient
Public Class Receipts
[Code].....
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May 4, 2010
I'm writing an assignment in VB for a class which displays records from an Access database. It goes as follows:
From a "Rooms" table, I get the rooms to be displayed in a combo box along with 3 checkboxes which will tell me if they have a jacuzzi, private access of a fire place. From a different table in the same database I need to display in text boxes the bed size, weekday and weekend prices for booking each room. The text boxes should display the correct information according to what was selected in the combo box, but I can't get that to work! The checkboxes work fine, but the text boxes stay the same.
Here's what I have so far:
Private Sub Rooms_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Try
Dim RoomsData As New RoomsDataTier
Dim RoomsDataSet As New CottagesDataSet
RoomsDataSet = RoomsData.GetRooms
[Code] .....
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Feb 16, 2009
I have been trying to display records from two tables from seperate databases into a datagrid. So far I can only get to display one record.
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Mar 1, 2010
Using a datagrid, binding to one table, and related to one combobos, I cant update records, cause gives me a violation error. I'm not changing the primary key, so, I dont undersatnd cause this happen. I prepair a example of this error, and it was attached to this message.
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Mar 16, 2010
I try to fill up a data grid view with records of two related tables. Beneath you can find the code I use to handle this.
The first table �GemeentenT� has the following columns.
GemeenteId Primary key
GemeentePostnummer
GemeenteNaam
[Code].....
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Apr 11, 2012
I have one dataset with two tables and when some values from tables are changing I need somehow to change the values from table 2. Table one is conected to an SQL server. One table 1 receives a message from sql service broker it automatically reload all the information. I need in that moment to compare what I have new in table 1 and put it in table 2. I have made with <br />For i=1 to ..<br /> </p>
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