Displaying Data And Deleting Selected One
Jan 18, 2009
Please see Image : [URL] am not supposed to paste external links, but just wanted to share the concept clearly. In the picture, I have department and listbox. Now, I have a Table name - "Company_Data" with the Columns:
Name|Age|Department|Salary
All I want is when I select the department in the drop down, the list should show all the names under the department. Also, when I select the name in the list and click delete. It should delete the complete record from the Table.
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Sep 2, 2009
displaying it into Datagridview while inserting & deleting records in runtime..I insert records it into database using Access and delete but the datagridview not changes or update.my question is how can i update the datagridview while inserting records and deleting records.[code]
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Sep 2, 2011
My [code]...
But how i avoid when you selected nothing, you can delete.
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Feb 15, 2012
I want to delete selected column values only... I have this statement: strsql = "delete book1, author1, from book_Load where Book_ID_no = '" & bkIDnum.Text & "'"
With sqlcmd
.CommandText = strsql
.Connection = sqlconn
[code]......
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Jan 20, 2011
This is such a basic question, I'm almost embarassed to ask it. How do I loop through seleted rows in a DataGridView and remove the rows?I've tried this, but it doesn't work. After one row is removed, the index is all screwed up.
[Code]...
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Jun 21, 2010
What im trying to do is display my details in a listbox then the one that is selected frm the listbox is displayed in the textboxes and when delete button is clicked it is flagged at deleted??? This is what should happen!!:@
I kow there is definitely a problem with this piece of code im setting the index and length to constant numbers so if a different name is clicked it does not work!! is there another way to set this to allow for any length or index position??
CustomerIDTextBox.Text = DisplayCustomersListBox.Text.Substring(0, 4)
SurnameTextBox.Text = DisplayCustomersListBox.Text.Substring(5, 7)
ForenameTextBox.Text = DisplayCustomersListBox.Text.Substring(12, 10)
[Code].....
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Oct 7, 2006
I want to know that how can I delete selected text in a richtextbox.
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Mar 11, 2010
I want to let others to delete selected row in the following datagrid view and I have written it like this. Now when I select a row and press the delete button I can remove the selected row
but it will not update the database which meant it will not deleting the above row.
I have bound my datagrid view using databinding.
Private Sub dgvAllInvoices_UserDeletingRow(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewRowCancelEventArgs) Handles dgvAllInvoices.UserDeletingRow
If MessageBox.Show("Do you really want to Delete this Invoice ?", "SD Technology", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) = DialogResult.Yes Then
[Code] .....
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Nov 9, 2009
Here's my code. It gaves me an IndexOutOfRange exception. What's wrong with it?
[Code]...
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Mar 19, 2010
With a DataGridView bound to a bindingsource, which is filled by da.fill(ds) . How do I go about deleting selected rows when the UserDeletingRow event is fired? I've used the following code in the event:
Dim dsEmplTran As New DataSet
daEmplTran.Fill(dsEmplTran)
dsEmplTran.Tables(0).Rows(dgvEmplTran.SelectedRows(0).Index).Delete()
Dim cb As New SqlCommandBuilder(daEmplTran)
[Code].....
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Jan 20, 2011
I'm almost embarassed to ask it. How do I loop through seleted rows in a DataGridView and remove the rows?[code]
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May 14, 2012
I have an ini File which I use as an "index" of jar files. The Jars are declared in it like:
Name of the jar=c:Path
So when my application starts, the ini file gets loaded in a list view. I have a delete button, with which I want to delete the jars from the list view and the ini file. It must be possible to delete multi choiced jar references. so I thought to do it with for each, so that every selected item get searched in the ini and deleted. The Error is, that the String (is correct, I tested it with a messagebox) get analysed - Unknown escape sequence R (The error is between the ** **)
My Code:
Private Sub jarDelete_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles jarDelete.Click
If Me.ListView1.SelectedItems.Count > 0 Then
For Each item As ListViewItem In ListView1.SelectedItems
ListView1.Items.Remove(item)
Dim GanzeZeile As String = ListView1.SelectedItems.ToString
[Code] ......
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Jul 3, 2009
How can I delete a row from an SQL database based on what item is selected in a listbox?
The listbox is populated by the database, I bound it to the data source.
I tried this code but get an error:vb
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim myCriteria As String = CStr(ListBox1.SelectedItem) Dim deleteStr As String deleteStr = "DELETE customText WHERE userText = 'myCriteria' " End Sub
[Code]...
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Nov 24, 2009
I have a form with a treeview and a listview. The treeview lists the folders on your system and listview shows the files in the selected folder, similar to windows explorer. I have a delete button for deleting files.
[code]...
When deleting multiple files a confirmation message box pops up for each file selected. I would like to have it come up once and ask 'Are you sure you want to send these 'x' files to the recycle bin?' where 'x' is the number of files selected.
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Feb 28, 2009
i have a table in sqlserver2005 which has currently following data...CUST_ID
[Code]...
Now i want to show highligted rows in a DGV according to there status, i mean show only rows of each cust_id "notpaid" status...the 1st "notpaid" status. like in cust_id 1, first "notpaid" row. I think now u got the idea wht exactly i m trying...please guide me step by step with proper code...actually i m new and i think myself as copy-paste king.
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Jul 23, 2010
I am using DevExpress.XtraEditors.LookUpEdit to display the information about the classes available. Currently it has 3 columns. The lookupedit is working perfectly except when I set the editValue to the last row. When the editvalue is set to any row other than the last one it shows the selected row when the lookupedit isn't opened yet when the lookupedit is set to the last row nothing is displayed.
[Code]...
Right now the lookupedit displays the selected text unless I select the last row, row number tableData.Rows.Count which then displays nothing. Yet when I print the values they are correct and when I remove the +1 when setting the lookupedit it sets it to the previous line I want an the first row can't be displayed.
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Apr 19, 2011
I need to display a button when a textbox is being used.
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Apr 16, 2010
I am creating a DB application using the DataSources Wizard to create a strongly typed DataSet. Let's say that I'm working with the Employees Table of the Northwind DB, and my code is like this:
Dim nWindDs As New NorthwindDataSet
Dim empDT As New NorthwindDataSet.EmployeesDataTable
Dim empTA As New EmployeesTableAdapterempTA.Fill(NorthwindDataSet.Employees)
'Fill the Datagridview:Datagridview1.DataSource = nWindDs.Employees
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Oct 8, 2011
Using VB.NetWindows application Form (Gridview and Textbox)GridView1
ID Name
001 Rajan
002 Sajan
[code].....
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Mar 4, 2010
I'm building an online shop, but have run into a problem.When the user click that they want to add a product to their basket, i add the product ID to an array that is held on the session.This all works great and i display how many items they have selected etc..The problem comes when i get to the checkout page.Whats the best way of displaying the items that the user has selected?
should i use a datagridview? if so, how do i pass the array into the SQL in order to get all the data rows that i need?
should i use a repeater? this gives me the same problem as above though.I just cant seem to work out how to get the values fro the array and then run the sql for each ID to get the information to show on the screen.I could loop through the array using each ID as a parameter in the SQL but then where do i put the data? in a dataset? a datatable?
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Nov 13, 2010
This code will display selected checkboxes Text in textbox as in the order I checked it 1,2,3,4,5,6,7,8,9. But it will not display selected checkboxes Text in textbox after 9
Partial Class _45seater_WebUserControl
Inherits System.Web.UI.UserControl
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim str As String = Nothing
Dim id As String = Nothing
How to show after chekbox10, checkbox11, checkbox12 in text box as 10,11,12 ......so on using this code
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Oct 27, 2009
I have a form with a treeview and a listview. The treeview lists the folders on your system and listview shows the files in the selected folder, similar to windows explorer. I have a delete button for deleting files.
Dim i As Integer
For i = 0 To lv1.SelectedItems.Count - 1
Dim csi As CShItem = lv1.SelectedItems(i).Tag
[CODE]...
When deleting multiple files a confirmation message box pops up for each file selected. I would like to have it come up once and ask 'Are you sure you want to send these 'x' files to the recycle bin?' where 'x' is the number of files selected.
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Oct 11, 2011
work using Access 2010, however am having to use VBA as the Macros are not compatible.I have a form which for this I will call Form1, on this form I have a Combo Box called Combo202, this combo box lists a selection of Building Names, and a button called Command201.The process goes;User selects a Building Name from the drop down list in Combo202, and then clicks Command201. This then opens a form, Form2, which displays a record based on the field [Building Name] in Form2 matching that value in Combo202. I have been using this code;
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Nov 1, 2010
How to display text in a rich text box when an item is selected in a listbox. Here's a snippet of my
Private Sub radGunsNRoses_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Handles radGunsNRoses.Click
'Declares songs into variables
Dim strSong1 As String = "1. Sweet Child O' Mine"
Dim strSong2 As String = "2. Novemeber Rain"
Dim strSong3 As Integer = "3. Welcome to the Jungle"
'Band Picture
[Code] .....
What I really want is that when radGunsNRoses is checked, the listbox displays the songs and when one is clicked, it shows the song's lyrics in the ritfSongs. Same thing goes for radACDC but the songs are different and the lyrics.
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Jun 17, 2011
I need to delete some rows from csv file based on a column value. Here is my sample.csv file [code]In my vb.net winforom application, I have to read this file and need to delete the rows related to 06/06/10 date column values then write the remaining rows into new.csv file. So far my program works on reading whole data present in the file.[code]
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Jan 3, 2011
I want it so every time I click an ITEM in the Listbox it displays ALL the data into the textbox. I know there's an easy way using table adapters and binding the listbox, but I'd prefer to do it this way for my project.
So this is what I got.
Lst.DataSource = ds
Lst.DisplayMember = "tblStudent.FirstName"
Lst.ValueMember = "tblStudent.StudentID"
[code]....
It only adds the first rows details to the text box when I click the second record the first rows details are still there.
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Sep 3, 2009
I have a dataset bound to a DGV thus:
Me.BudgetTypesTableAdapter.Fill(Me.RestelDataSet.BudgetTypes)
When I save new data I use :
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Me.Validate()
[Code].....
should work as the Rowstate is checked to see what should happen ie (UPDATE, MODIFY OR DELETE).
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Jul 8, 2009
I have a basic Table and I can add and save data, but when I try to delete, I het this error:Quote:Update requires a valid DeleteCommand when passed DataRow collection with deleted rows.
Public Class Form6
Private Sub ConverterBindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ConverterBindingNavigatorSaveItem.Click
[code]......
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Mar 17, 2010
[code]Index was out of range. Must be non-negative and less than the size of the collection.Parameter name: index
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Dec 6, 2011
Dim Conx As String
Dim DBx As String
Conx = "Provider=Microsoft.ACE.OLEDB.12.0; "
[Code]....
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