Detail View Control In ASPX Form
Jan 16, 2012
I have a detail view control in my aspx form. I have the following field in my detail view:
NameId
Name
ContactNo
But I dont want to allow the user to edit the "NameId" field. So I set it as read only and Insert Visible. But setting it dosen't allow me to update. If all the fields are set to be allow for editing, the update work successfully. How should I go about doing it?
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Apr 11, 2009
I would like to know how I can make this happen?
When I double click on a row on a datagrid, a form will appear like the above screenshot.
When I double click on the row which consist of Brian/Kendall, a form will appear and should show Brian in the First Name text box and Kendall should appear in the Last Name textbox.
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Nov 12, 2011
I use a simple master-detail form using Visual basic 2005 express edition and ms sql server 2005 express edition, as well.
The master table is dept (deptno int, dname nvarchar(50)) .
The deail table is emp (empno int, deptno int, ename nvarchar(50)).
The primary key for the dept table is deptno and for the emp table is empno.
There is also a foreign key (deptno on emp table).
I created a new project, connected to a db (called test.mdf) and created a data source consisting the two of the above reffered tables.
I dragged and dropped these tables on the form and i noticed the following:
1)When the form opens... the system queries the database and displays the data on each block on the form.
2)I insert and/or update a record on the master table (dept) and everything goes well...
3)I try to insert and/or update a record on the detail table (emp) and nothing is changed on the detail table - without any error.
4)When i try to insert and/or update a record on the detail table (emp) which violates the primary key constraint or foreign key the system complaints...(as expected).
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Feb 27, 2010
I am just learning vb.net - I have express 2008. Is there a control that allows you to use "folders" like the explorer view in windows xp? I was experimenting with menu options, but a folder view would be good too.
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Jun 21, 2010
I had a form (says form A)with control on it, 2 buttons with text "View Process Flow"(Button1) and "Manual trigger Process"(Button2). Both button will load and shows Form A in Panel1 in Form1, but button1 will let user to see the action but block them on clicking on it, button2 will let User see and clickon the control.
In other software, I can use a transparency button or form block User by acess formA(so, they can see,but not click), But VB2008 transparentcy option kind of idiot(Or i dont know how to use it?)seem it just change the control back color to parent's backcolor(totaly useless, and the "tranparen key" as well)
I cant disable control cause it will stop the animation, only ways i can think off is add in a IF statement in every button, so it will do nothing when viewing = true.
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Jul 13, 2010
I have made several posts on here lately regarding master/detail or parent/child data setups but no one has been able to help. It seems like a subject people don't like to tackle BUT I really need help.
I'm having a real hard with the DataView.RowFilter functionality and it is driving me insane.
For the most part, I have the basic master/detail functionality working. When you select a record in the first grid, it shows the correct data in the second grid. When you enter a record in the first grid, you can enter related data in the second grid. I accomplish this by using a dataview and row filter bound to the 2nd grid. When you change the record in the first grid, the rowfilter for the 2nd grid is restated and reapplied.
The problem arises when I overwrite the primary field value in the first grid and the detail records become orphaned. You would think all I have to do is change the ID in the 2nd grid to match the new ID in the 1st grid but this is where I am having problems. I wrote a loop to change the ID of each record currently loaded in the 2nd grid to match the newly changed ID in the first grid. The code is here:
Code:
Dim I As Integer
For I = AuthorizationGroupsDGV.Rows.Count - 2 To 0 Step -1
AuthorizationGroupsDGV.Rows(I).Cells(0).Value = StrEmployeeID
Next
I have used this code before and it works great. It has to step backwards through the grid because when the ID's are changed, they no longer match the RowFilter criteria and they disappear from the grid. They still exist in the dataset. The problem is, while the code "works" the intended effect does not. Some of the records completely disappear from the dataset and do not reload when I restate the row filter against the new ID number.
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Aug 2, 2009
There are a lot of master/detail databinding examples with detail form on the same window than the master, I can't find any example where detail is in a new window.
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Jul 27, 2010
I'm looking for such control in order to represent a hierarchical list that I can sort separately each set of master (parents) and his details.url...I think that such a control does not provided in .NET..Do you know for a good 3rd-party for such purpose?
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Sep 15, 2009
Is it feasible to do master detail in textbox control? If I do it with datagridview control, I have no problem. However, when I tried to use textbox control, I had running error. I have googled it for a month and don't see anybody dealing with this questions so hope somebody can give me a definite answer. Maybe it's not possible to use textbox control at all.
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Jan 29, 2010
I have a main form with datagridview containing a list of contacts:
VB
Public Class Form1
Private Db As New DataClasses1DataContext
Private Sub Form1_Load
[Code]....
After saving, I get the correct message ("Saved"), and the DataGridView in the first form gets updated in real time.
But... when I take look at the data (or close and reopen the forms) the data in the database (SQL server) have not changed! What happens!
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Sep 24, 2011
I've attached a picture of the list view control that I am using. I've been fine until now, I want to save the entire line of items in the list view control (item_description, price) and dump it into the MySQL database to allow tracking of reciepts. The following code that I have saves the first column worth of information, but I cant figure out a way to save the second column (the price)
Dim li As ListViewItem
For Each li In ListView1.Items
CurItems = CurItems.ToString + li.Text + ", "
Next
Oh right, and I'm making it comma seperated values so I can pull it up in a readable format again.
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May 8, 2012
When I double click on a form control while in the design view in a Web Application project within Visual Studio 2010, say a 'button' or a 'submit' for example, it inserts a javascript function into my .aspx file. When I do this at work it automatically creates an event handler for the control in the code-behind.How do I change this to that setting?I don't want to type those event handler subroutines every time!
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Oct 2, 2009
I can display a record in a detail form using the same data source:
[Code]....
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Apr 2, 2010
I designed a form - please see a picture My first intend was to "link" each button on the menu [Employee Management, Contact Information,...] to different forms by coping this form and then designing the contents of the form using many repeated following code
Dim oForm2 As New Form2()
oForm2.Show()
Me.Hide()
[code]....
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Apr 29, 2009
I have VB2005 Professional Edition.I have Two tables in my SQL2000 database.
1) Products Table contains fields --- Product ID, Product Code & Product Name
2) Orders Table Contains fields -- Product Code , Product Name (These 2 fields Stores Product ID instade of Code and name.)
In my Orders Form, in datagridview I am showing actual Product Code and Product Name from Product Table using 2 datagridcomboboxcolumns by setting Display Member & Value Member Properties.But now I want to do If I select any Product Code from first combobox in datagriadview the other should display the Product Name of the selected product automatically. this can be in Master-Detail Form as well as normal single data form.Also, please tell me if it can be done in VB2008 Professional Edition.This we can do in Microsoft Access 97 & 2000. And it is very easy.Is it available in VB2008 like MS Access 97 & 2000.
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Jan 5, 2009
I have 2 datagridviews on my form. One lists products and when you click on a product in the first datagridview the other lists tests for the selected product. I have a products table with a productid,productname and productcode. I have a tests table with a testid and a testname and I have a prodtests table with a prodtestid, productid, testid and a few other fields.
Public Class frmProducts
Dim myConstr As String
Private WithEvents ProductBindingSource As New BindingSource
Private WithEvents TestBindingSource As New BindingSource
Private Sub frmProducts_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[Code] .....
Also I need to add a combobox column to the second datagridview that is bound to my prodtests table and to list the testnames from the test table in a combobox. In my save button, should I just call both adapter.update methods to save all changes. I will add the appropriate update commands etc.
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Jul 20, 2010
I have a tree that reads its data from SQL Server Express 2008 Database and the script is working great , I need to display the data related to the node clicked in a details list or whatever , meaning that when a use clicks on a node he should see the data relating to it on the right side
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May 17, 2010
I have two forms, A and B, as master/detail forms. A has a grid and a button. When the button is clicked, B is instantiated and shown - at this point, B is a local variable. When stuff happens on B, I want to refresh the grid on A. I had intented to declare B WithEvents and have A monitor for when the event is raised, but that doesn't work, since B is decalred locally.
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Apr 26, 2011
I am new to VB and to this site so please be gentle. I have a form with a Data Grid View (DGV) control that was created by draging a table to the form (bound?). I want the user to be able to reposition the rows to the one they are interested in, which I have done. Once they have selected the row they are interested in I want them to click a button labeled EDIT. All good so far.
[Code]...
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Dec 5, 2010
Any right way of selecting data and updating? This code is working, but i wonder if there is a way to have only one update command which will update all tables?
Private cs As New SqlConnection("Data Source=...")
Private da As New SqlDataAdapter("Select * FROM tblContactsProfil ORDER BY LastName", cs)
Private daLookUp As New SqlDataAdapter("Select * FROM tblContactsProfilAddress", cs)
Private ds As New DataSet
Private bsMaster As New BindingSource
[Code] .....
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Sep 23, 2010
The title pretty much precisely asks the question, but I shall repeat;
When I double click on a form control while in the design view in a Web Application project within Visual Studio 2010, say a 'button' or a 'submit' for example, it inserts a javascript function into my .aspx file. When I do this at work it automatically creates an event handler for the control in the code-behind.How do I change this to that setting? I have used '/resetsettings' already, and other answers to similar questions do not solve my problem. I have reinstalled, gone through every menu I can find (though I may have missed something)I don't want to type those event handler subroutines every time!
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Jun 16, 2009
I'm trying to find a label on an aspx page from a user control (ascx) on said aspx page. Obviously Page.FindControl("lablel1") is not working. Do I need to add in ClientID somewhere?
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May 30, 2012
how to view explorer in list view control?
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Nov 15, 2011
I am new to VB.net and have created a simple master detail windows form. I created a two table data set and then dropped the master table on the form as a continues form or a detail form with several text boxes to hold the data. The child form is a data grid.
test data that I have added directly to the database shows up with the proper parent child relationships on the form. I can also enter new records into the database using the parent only portion of my form.
When I attempt to enter a complete record with data in both the parent form and the child data grid I get this error. The INSERT statement conflicted with the FOREIGN KEY constraint
[Code]...
I have searched for a possible reason for this error but can not find any explanation. I have noted in earlier versions of VB.net you had to enter code to save the child record, but the VB 2010 code does not seem to use the same syntax so I assumed the UpdateAll eliminated the need for the extra code
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Jun 16, 2010
Scenario: VB2010 express + Sql Server 2008 express.
I have a master/detail form where I can modify a record. With VB 2010, I use the new Table Adapter Manager which handles all Updates/Deletes against the database inside a Transaction. Question is that before I update the modified record (only the master one), I need to insert it in another table (history table). My question is how I make both insert and update inside the same Transaction. By code? Using Stored Procedure?
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Jan 12, 2011
i have a master detail form with databound datagridviews.my detail datagridview is bound to FKFieldSubFieldLookupTableBindingSource and it shows the linked sub-fields when the main field changes. This datagrid has only one column which is the sub-field names column. this column type is ComboBox.here are this combobox details
DataSource = subFieldLookupBindingSource
DisplayMember = sub_field_name
value Member = sub_field_id
No Problem until here.When i click on the Cell combobox I get the list of all the sub-fields. I don't want this. because once a sub-field has been associated with a Master field, it should not be available for other Master fields.What i did was, In the SubFieldLookup Dataset, i added a query to get all those sub-fields which haven't been associated yet.but this clears up the detail datagrid and shows blank comboboxes where it is supposed to have the sub-fields.
I simplly want the master-detail mechanism to work and when i want to add a new sub-field, and click the combobox in sub-fields datagrid, i want to have only those sub-fields which are marked False in database in the column 'alreadyAssociated'.
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Dec 2, 2011
I'm finding a dropdown in an ascxcontrol on my aspx in the following way.
Dim cp As ContentPlaceHolder = DirectCast(Page.Form.FindControl("ContentPlaceHolder1"), ContentPlaceHolder)
Dim ascx As UserControl = DirectCast(cp.FindControl("drpType"), UserControl)
Dim drpType As DropDownList = DirectCast(ascx.FindControl("drpType"), DropDownList)
Is there a faster way without having to acces all the elements on the page?
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Sep 29, 2009
I have a dataset containing 2 tables,Customers and Contacts. Just showing the master-detail is not a problem. Problem occurs when I try to search the master table to bring in the detail table. Searching the master table shows only the master record, but not the related detail records. Adding a 'findby' query on the detail table only shows the records.url.. Normally when the master table is filled, the detail record shows in a form.
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Jun 25, 2009
I was using access but I want to upgrade as access doesn't handle bulk inserts well. I end up with orphan child records at times.
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Jun 18, 2010
I want to send a PDF form from my program.Sending the form is not the problem.But i would like to fill in the Subject, and some detail information in the E-mail automatically.
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