Load Data From One Form To Another
Oct 23, 2011
im new to vb.net.i have two forms.first form contains two textboxes and a view button.when i click my view button second form open and it displays datagrid contains values.this works properly.but i want do some more. when i double click the datagridviewcell of second form how to pass the particular cell value to my first form's textboxes.
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Apr 7, 2012
I have a couple of tables in a sql server database and i want to load the data from them in form load.
Here is the code i use to load the first table
connection string here
Con.Open()
Dim objCmd As New SqlCommand("SELECT * FROM Customers", Con)
Dim cust As SqlDataReader = objCmd.ExecuteReader()
[Code]...
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May 15, 2012
How do i load the Main form of a WPF so that a seperate thread goes and gets data from the database while the form is in an apartmentstate? (drag-able / movable) I Know this is possible with opening a new window from your main form like this :
Private Sub openOrderWindow()
Dim OrderWindow As Orders = New Orders
OrderWindow.ShowDialog()
End Sub
[code]....
I've tried putting MyBase.ShowDialog() and .Show() and .9000+ other things The only benefit I've got out of using a seperate thread to load from the databse is i can see the screen right away (as oppose to it being a transparent box until it loads) but i cannot move it around or minimize it?is there any way to make it Movable while it loads?
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May 17, 2009
I have problems with a form and load event.My form manage items that can be added, deleted or modified. In load code, I initialize all vars to cero. This is OK to be ready to add items.
My problem is with modify and delete. To carry this, I must load vars from a source. So, in my foreing code I have this:
[Code]...
My problem is that when showdialog is called, all data which were loaded from duplicar funct is put again to cero. How can I avoid this and load correct data into the form.
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Nov 10, 2009
I have a project in which i have a form in which there is add button to add pages. In form load the last entered page populates all the fields. Now thing is if user edits the values in controls it has to update the db with those fields and if the page doesn't exist in db it has to insert.
Here is my code
Private Sub inserting()
Dim cn As New OleDb.OleDbConnection
'Dim selectquery As String
cn.ConnectionString = ""
Dim cmd As New OleDb.OleDbCommand
[Code] .....
I initialized a global variable x and set its value to 0 in page load and in add button click to 1. Depending on x value it either inserts or updates the db in form closing and add button click. Now whats happening is If the user clicks on add button the page increments but if user doen;t enter any values and tries to close the empty form, value of x =1 and it tries to insert but as there are blank fields cmd.executenonquery throws an error.
"The field is too small to accept the amount of data you attempted to add. Try inserting or pasting less data."
What should I do so that it doesn't give an error. I am using access db.I even checked in db Except for primary key(pageno) all other fields have "allow zero length" as YES & "required" to NO.
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Jun 9, 2011
i have 2 form. form 1 have combobox and second form textbox...how to load data form textbox into combobox..if i type hitachi in text box, automatictly "hitachi" will save in dropdownlist combobox..
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Apr 7, 2011
Is there a way to load the data for my form during the splash screen and simply show the form when the user clicks on the button? I'm using a thread which fills my DataAdapter using Form.DataAdapter.Fill(Form.Dataset.Table), but when I open the form the data isn't shown (I removed the line from my form_load event to prevent a double load). Is there anyway to tell the form that the DataAdapter has been filled already and to look at the information there instead of loading the data everytime the form loads?
My problem is that the form takes a while to load due to the amount of data it is looking for. If I could already have the data ready and then display the form when the user clicks a button it'd be perfect. I apologize if I'm missing something, this is my first time diving into VB.Net with VS2010 after using Access VBA for awhile.
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Dec 24, 2009
i want to save the form name in data base and load form using that saved name. How would we achieve this task?
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Jan 25, 2011
I'm receiving the following error when trying to use a table adapter to Load data into a form.
"Too many agruments to Public Overridable Overloads Function Fill(dataTable As BCPM_DDBODataSet.LTC_FBSDataTable) As Integer"
I'm using a TeraData backend and this is pulling up the form based on selection from search results.
Search Form:
Private Sub cmdSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSearch.Click
Me.lstResults.DataSource = Nothing
[Code]....
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Jan 13, 2011
i add a rectangle and label to datagridview...my problem is that when i load the form the rectangle only shows on the last add data..how can i make all the data display in rectangle not only the last add data.[code]
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Jun 30, 2008
On one form (form1) i have a simple textbox. On the other form (form2) i have 1 combobox and 1 textbox. The combobox and textbox are binded together to a datatable.
What i wan't is that when form2 loads firstly it shows the data from the textbox on form1. And when i select another value wit the combobox it shows the new data from the textbox on form1 to form2.
My problem is when form2 loads firstly no data is shown in my textbox. Why not???
I have the folowing code:
My.Forms.Form1.BedrijvenTableAdapter.Fill(My.Forms.Form1.Docregdata2DataSet.Bedrijven)
My.Forms.Form1.BedrijvenBindingSource.DataSource = My.Forms.Form1.Docregdata2DataSet.Bedrijven
[Code].....
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Jan 30, 2011
All I want is to update the selected row data in form1 to another form2
Form1 Objects
Form1 = MainAppForm
DataGridView = DGVMain <= binded
Button = btnUpdate
Form2 Objects
Form2 = frmUpdate
Button = btnSubmit
15 textBoxes = you can see its name in the code below and all of them are data binded
MainAppForm Code
Pass the selectedrow data to form2 (frmUpdate)
Private Sub btnUpdateDouble_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnUpdate.Click
If DGVMain.SelectedRows.Count = 1 Then
Try
frmUpdate.ItemIDTextBox.Text = DGVMain.CurrentRow.Cells(0).Value.ToString()
frmUpdate.PartTypeTextBox.Text = DGVMain.CurrentRow.Cells(1).Value.ToString()
frmUpdate.PartNameValueTextBox.Text = DGVMain.CurrentRow.Cells(2).Value.ToString()
frmUpdate.PackageTypeTextBox.Text = DGVMain.CurrentRow.Cells(3).Value.ToString()
frmUpdate.QuantityTextBox.Text = DGVMain.CurrentRow.Cells(4).Value.ToString()
frmUpdate.UnitTextBox.Text = DGVMain.CurrentRow.Cells(5).Value.ToString()
frmUpdate.DescriptionTextBox.Text = DGVMain.CurrentRow.Cells(6).Value.ToString()
frmUpdate.LocationTextBox.Text = DGVMain.CurrentRow.Cells(7).Value.ToString()
frmUpdate.ProjectBoardTextBox.Text = DGVMain.CurrentRow.Cells(8).Value.ToString()
frmUpdate.CommentsTextBox.Text = DGVMain.CurrentRow.Cells(9).Value.ToString()
frmUpdate.OrderCodeTextBox.Text = DGVMain.CurrentRow.Cells(10).Value.ToString()
frmUpdate.CurrencyTextBox.Text = DGVMain.CurrentRow.Cells(11).Value.ToString()
frmUpdate.UnitPriceTextBox.Text = DGVMain.CurrentRow.Cells(12).Value.ToString()
frmUpdate.SupplierTextBox.Text = DGVMain.CurrentRow.Cells(13).Value.ToString()
frmUpdate.ManufacturerTextBox.Text = DGVMain.CurrentRow.Cells(14).Value.ToString()
frmUpdate.Show()
Catch ex As Exception
System.Windows.Forms.MessageBox.Show(ex.Message)
End Try
ElseIf DGVMain.SelectedRows.Count = 0 Then
MsgBox("Please select one item to update!", MsgBoxStyle.Information, "Update")
Else
MsgBox("Updating multiple Items is not allowed!", MsgBoxStyle.Information, "Update")
End If
End Sub
Form2 Code
I want to update the data by this code, but it refresh only the data in Form1
Private Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
Me.Validate()
Me.SparePartsBindingSource.EndEdit()
Me.SparePartsTableAdapter.Update(Me.InventoryDBDataSet.SpareParts)
'Refresh
MainAppForm.SparePartsTableAdapter.Fill(MainAppForm.InventoryDBDataSet.SpareParts)
End Sub
No problem in updating the data if I put the code below in Form2 load event
Me.SparePartsTableAdapter.Fill(InventoryDBDataSet.SpareParts)
but the problem is, it will refresh all the data in the Form2, and my code in Form1 becomes useless.
Thanks in advance!
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Jul 30, 2009
When the form loads I want to fill the combobox with the data present in the database. So I did the below
Private Sub BindCombo()
con = New OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;Data Source=C:UsersGautamDocumentsVisual Studio 2005ProjectsF1pracF1pracBank_Account.mdb")
con.Open()
cmd = New OleDbCommand("Select * from BankAccount", con)
[Code] .....
Doing this code the data is added up in the combobox dropdown list. But when I am selecting a data from the combobox dropdown list,the all the corresponding data of the other combobox also get filled automatically. I don't want to let the other combobox filled with their data automatically....
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Mar 10, 2010
regarding the DataGridView Checkbox.. I have two Forms, The 1st one has a datagridview..but in order to load the data to form1 datagridview, i need to open another form w/c also has a datagridview w/checkboxes on it.. I need to select a data in the form2 datagridview w/the use of checkbox..when i select an item..then press the ok button, the checked checkbox with the info corresponds to the data i selected will appear in the form1 datagridview. I have done this and works fine, but when i select two data or when i checked two items on the form2 datagridview.. only one info is added on the form1 datagridview.. here is my
[Code]...
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May 1, 2012
I have searched the web and this site for an answer but have not been able to solve this problem.I am not able to place a flashing cursor in a specified cell of a data bound DataGridView on Form_Load.My test project consists of a single Visual Basic 2008 form with a database created in Microsoft SQL Express 2005 using the Add New Data Source in the Data Sources window.The database has one table consisting of 2 columns.Column 1 being the primary key with Identity Specification set to On.The second column is a VarChar50.The DataGridView was placed on the form by dragging it from the Data Sources window thereby creating the Binding Navigator and the Private_Sub Form_Load code.I have added the code that should put the cursor where I want it.[code]
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Jul 27, 2009
Imports System.Data
Imports System.Data.OleDb
Public Class Form1
Dim con As OleDbConnection
Dim cmd As OleDbCommand
[CODE]...............
The insertion part of the form works great. But my problem is in the form load part......If i leave a field blank(Null),then perform Save operation,close the form after successful insertion and then reopen the form,then it retains the previous values during the form load......This is only in case where i leave a field blank in the previous data entry in the database.......But if i enter values in all fields then form load is working great.
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Dec 14, 2009
How can I load a form and allow it to run it's code in the form load but keep it not visible. I want it to do what it needs to but but not display.
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Aug 29, 2009
This is the code that i did to fetch data from the database and filling it to the combobox dropdown list at the form load event:
[Code]....
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Feb 27, 2009
I am trying have a data grid selection populate a form. I am new to this.Basically I have a connection persistance object and I would like to call that and call a stored procedure with the value of the selection. The datagrid is bound to an object.
[Code]...
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Aug 15, 2011
I have a DataGridView which populates from an SQL query just fine in default mode
using these table names
[firstName] [varchar](20) NOT NULL,
[lastName] [varchar](20) NOT NULL,
[code]....
I have edited the column headers and set the column names to the same values as my table names yet the data is not showing in form load I have set datagridview.AutoGenerateColumns = False I know the data is there if I delete datagridview.AutoGenerateColumns = False then the data is shown with the default headings?
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Feb 19, 2012
Whenever i start my form (window application) and link from one form to another, my data doesn't load but when i close the respective form and open it again , it appear. Can i know where is my problem ? Thx in advance. Here's the code snippet :
Private Sub AccessControl_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim sqlstring As String = "select * from depttable"
Dim connection As New SqlConnection(db.cs)
Dim dataadapter As New SqlDataAdapter(sqlstring, connection)
[code]....
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Aug 24, 2009
I would like to load a default created image at start. But seems to not be working on form load any ideas.[code]
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Jun 3, 2011
i hve create combobox & text box and add database source to my project...i know how to binding data or load data to combobox using SELECT query..but can i change SELECT to INSERT query cz i wont when i type data into textbox,data will be in database...second..can i binding without add database to project..i mean mydatabase in debug folder..i hve problem binding data if database is not in myproject..
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Jul 20, 2009
I have a datagridview which have 5 columns. The name of the columns are T,C,F,S,H. [cod]e...
So i want to display this data in datagried view. I must display the number beside T to T column, the number beside C to C column and so on. It should only display number in the respective column. It should not display the T,C and so on. [code]...
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Sep 16, 2009
i am asking about using the progress bar into the status bar to move when i load any child form inside the MDIParent form.
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Mar 29, 2012
I have a data grid view on a FrmItem Form, data grid fill with table item master and item master have 1 lack item. when user click on item text box then FrmItem Form call and when user choose any item then FrmItem form close and it return item code.The problem is every time when user press any key on Item text box, Frmitem load 1 lack item which takes a lot of time around 10 second.So i want Data grid fill when i start application and use that Data grid on the Frmitem form.data grid is already loaded and its not take more time. may be its show with in seconds.
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Jul 5, 2012
I am trying to load a xml file into a data set by loading the information into a data row. when i try to complete the task it throws a nullReferenceException. the row has data in it and i used the code earlier and it work.
[URL]
Imports System.IO
Imports System.Xml
Public Class frmMain
[Code].....
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Jun 3, 2011
I have two forms. Form A and Form B. Form A has a datagrid that is populated from a SQL Database Table query. When a button is pressed Form B is launched that allows you to add a record to the database table. I need for the datagrid to be refreshed and show the newly added record when I close form B and go back to the parent.
[Code]...
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May 14, 2009
i am having an issue populating two combo boxes on form load. The program will connect to an access database and pull data as instructed. Then as it pulls each record it puts it into the combo box.
This was working.. atleast i think it was. i dont recall it ever not working, however i wasn't looking for it.
My problem is that if when i load the MDI parent form and have it skip the selection form and the login form and load the next form in the sequence, it loads everything perfectly. However if the select form is loaded first, then the login form and then the form i need loaded, it will not populate. The only difference between the two different loads is that the login form calls a function that loads the form as a new project.form
I did this so that I can have multiple forms open at a time. I am assuming my problem is that I need to get the child forms handle then populating controls using that handle? but i think if I had to do that then I would beable to populate the comboboxes on the first form load using the login method of opening the form.
Here's my code.
vb.net
Private Sub frmLine1t5_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Me.Text = "Line " & LineNumber & " Test Form"
[Code].....
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Jan 23, 2011
I want to load a child form which is a login form by default when the parent form is loaded.Right now when I click new file on the toolbar of the parent form, then only the login form is loaded but i want it be loaded by default without clicking anything.
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