i have two text boxes
1)username
2)Password
i have a little confusion, when we execute the form by entering the username and password it will execute no problem but when we execute for the i want the same username should be written which has been used in the previous execution?
In Datagridview, Set as DatagridView1.ReadOnly=True,
Dgv1.Rows.Add()
When i tried to add a Row, it is copying previous Row data to new row,and also blank the previous row, why?Like Insert Row, Why...?
send a solution for this "update login SET password=@password,username=@username where username=@user"
while executing i got the error"syntax error in update statement "
The program is for users to submit their username by typing in their username and pressing the submit button. The username may be able to display on the Usernamelabel in form1.(I made the button on form2) I have problems coding to make the text to come out in form2.My code comes out as error.
Here is the code in form2.
Public Class Form2
Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
[CODE]...
im adding rows to a datagridview and i need to get the valuof the last row in mydatagridviewi have the following code so far:
dim row as new datagridviewrow
If DataGridView2.RowCount > 1 Then
Dim myrow As DataGridViewRow = DataGridView2.Rows(DataGridView2.RowCount - 1)
[code].....
in my page Having 4 Buttons ..(FIRST,PREVIOUS,NEXT,LAST) ..i am confusing to this one..
Actually what i am doing is Iam developing one efrom Designer in this user is adding pages..
so We have given These Buttons (before told)..so user click on First Button page goto Starting page and When click on Next Button Goto Next page ..like this
how to use next & previous button in vb.net to get records from oracle xe code for getting records from database when next is pressed?
View 1 Replieshow to access the previous value of the combobox ( is before changing)
View 3 Repliesim added a dataset inside my project, and inside the dataset i added a DataAdapter with the steps like below:Use SQLStatement --> select A,B from tb_example --> Fill a datatable.And then i bind one of my combobox datasource's display member = Avalue member = BAnd its work properly!After few weeks, im reopen the project and i try to add another new dataadapter in the previous dataset and a new combobox like steps i did before. When i come to the combobox and try to find the datasource in combobox's properties and i cant find the dataadapter i jz added.
View 7 RepliesI'm trying to get thee previous page visited in ASP.NET using VB.NET using the following code:
Partial Class _Default Inherits Page
Protected Sub Page_Load(sender As Object, e As System.EventArgs) Handles Me.Load
Dim previousPage As String = Page.Request.UrlReferrer.ToString
If (Request.UrlReferrer <> Nothing) Then
[code].....
I get this error:
Object reference not set to an instance of an object.
at:
Dim previousPage As String = Page.Request.UrlReferrer.ToString
What I want to do is get the previous page visited so I can get a session variable.
I have a program in VB2008 and I need to execute a thread from differents Subs.Each time I start the thread I want to cancel the previous.Here an example:
Private Sub TextBox_Changed(ByVal sender As System.Object, ByVal e As System.EventArgs) Dim ThreadResults As New Thread(AddressOf ShowResults) ThreadResults.Start() End Sub Private Sub ckBoxAllRecords_CheckedChanged(ByVal sender As Object, ByVal e As System.EventArgs) Dim ThreadResults As New Thread(AddressOf ShowResults) ThreadResults.Start() End Sub
I write in a textbox, TextBox_Changed fires, thread spend 4 minutes filling a dataset I check a checkbox, ckBoxAllRecords_CheckedChanged fires, thread spend 10 seconds filling a dataset.I dont want anymore the dataset of TextBox_Changed so I want to cancel its filling.
I have two forms. 1 a login form, 2 The default application.
I would like the user to be verified by form 1 (Login Form) and if verified to open up form 2 (Default Application). I cant get this to work....
My code is as follows
Login form code
Private Sub OpenDefaultApplication
Dim defApp As DefaultApplication
[Code]....
When adding a new row to a datatable using me.bindingsource.addnew()
is it possible to copy the previous row except for the primary key?
So lets say my columns are "priKey" "Col1" " Col2" the previous lines of Col1 and Col2 are copied but not the prikey so the key can autoincrement
I have an access database, which I connect it to the form I have text boxes which displays info from the fields in the database. I have created a "Next", and "Previous" button, this is my code
[Code]...
What i have is a gridview that shows the end of months for most months from oct - sep which is companies fiscal year. So what I need to do is fill out the rest of the end of months if they are missing. So right now i am getting teh count of the gridview to see if I have less than 11 rows, then i am grabing that coutn ?? and the final date in the last field and passing to a sub function to figure the next end of month.
[code]....
i have one textbox and two buttons.button1 name as prev,button2 name as next.The textbox contain current date.If iam clicking next button textbox will show the next date.if iam clicking prev button textbox will show the previous date.
View 1 RepliesI have the following code which is linked to a previous and next button, however I need to have a loop so that if a next button doesn't exist then it does nothing as it currently ends the program with an error when it gets to the last record and I click next or previous.
[Code]...
I have created a console application. So this is the problem. I have set a main menu, when I input A, it sends me to menu A, but how can I go back to the main menu? What is the correct code should I use?[code]...
View 2 RepliesI am redirecting to a page and passing some querystrings. My pages are in a masterpage in asp.net.
What I am trying to do is go back to the page that calls the current page via the button, btnBack.
I am using the Request.UrlReferrer.ToString() to get the String URL of the previous page but the URL equals nothing.
I placed my code in my form load if not ispostback.
How can I go back to the previous row using OleDbDataReader.
I know that DataReader just advance to the next row using DataReader.Read(), but how can I go back to the previous row. ???!!
"First, Last, Next, Previous" options to the gridview paging? i can't seem to figure it out. all i can get are numbers and >> for last and << for first...
View 2 RepliesI would like to knwo if someone can tell me how to move into a DDBB based on the following code. It can be on code behind or not.And how to know if a record exist in the DDBB once the user has selected one value from the dropdown list in order to avoid two same values.
<%@ Page Title="Home Page" Language="vb" MasterPageFile="~/Site.Master" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="WebApplication1._Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent"></asp:Content>
[code]....
Coding for next button and previous button which goes to clicking next and previous picture from imagelist1. I just did for next button but it not work properly.
Static imageNumber As Integer = 0
Try
imageNumber = (imageNumber + 1) Mod ImageList1.Images.Count
PictureBox1.Image = ImageList1.Images(imageNumber)
PictureBox1.SizeMode = PictureBoxSizeMode.Normal
Catch ex As Exception
MsgBox("Picture finish")
End Try
im trying to open my projects from microsoft VB 2008 express edition
i try to open the project but it wont happen, i click the project name or use the file menu, but nthn would happen. and the solution doesn't appear in the solution explorer
i repaired VB using the installation DVD but still wont work :(
to do this : Select previous field based on previous field in sql. I had tried a lot of ways but it seems doesn't works.
[Code]...
'ValueNow is updated by an external link eg ADO.NET
Dim PresentValue as Decimal
Dim PreviousValue as Decimal
[Code].....
Im using visual studio 2008, i have created 2 webforms frm1 and frm2,,,i have a button in frm1 which i would like it to onclick populate textbox values to the other form(frm2)...
View 1 RepliesI'm reasonably familiar with the various forms of VB that existed prior to .NET (VB6, VBA, VBScript...), but have yet to delve into The Sweet New Flavor that is VB.NET.
View 6 RepliesI find that I need to get the first and last days of the previous month to use in a WHERE Between dates clause in a query, simple enough to get the current date, but how to find the other two, especially if you don't know the number of days in each month?
View 8 RepliesIs it possible to recall a string or object that was stored in a previous sub? The below code gives you an idea as to what I am trying to do.
Sub StoreUserData()
Dim StorName as Object
End
Sub WriteUserFile()
'Recall StorName here
End Sub