20,285 Topics
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| | I'm using this encrypting function psoted by a member: [CODE]Public Function SimpleCrypt(ByVal Text As String) Dim strTempChar As String = "" Dim i As Integer For i = 1 To Text.Length If Asc(Mid$(Text, i, 1)) < 128 Then strTempChar = _ CType(Asc(Mid$(Text, i, 1)) + 128, String) ElseIf Asc(Mid$(Text, i, … |
| | Hi all i have project that can creating watermarks for images but not hiding message like ( Steganography ) , I do not want Steganography .. i need ( hide a message in the watermark ) i hope to find solution , thanks :) |
| | I want to create an xml file to disk on button click of a form.it takes in data from within the form and adds it to the respective fields in the xml file. my XML file contains the foll code [CODE]<?xml version="1.0"?> <database server="WELLFLOWGULF;" name="TRA" userid="sa" password="sdsds"> </database>[/CODE] on button … |
 | Hello experts, I never used [B]"Dataset"[/B] in my project. But I know this is used for the set of tables. Can I use this to authenticate from more than one table? Tables in my Database are: Login, Student, Student Details, Fee, Teacher, Teacher Details. I want to use dataset in … |
| | Hello My first post here. I'm trying to create a dynamic html page from vb.net. Here is my code. I get the error "'DataTable' is a type and cannot be used as an expression" Do you know how to solve this : [CODE]' Create a new XML document. Dim xmlDoc …  |
| | Hello. i will like to generate four numbers at random, that will total 100 and assign each to a textbox. thanks for your help. |
| | Hi, i got a form with 10 button and i want to get the button name of the mouse click in a string variable i tried this: [CODE] private void Button_Click(object sender, RoutedEventArgs e) { string buttonName = ""; if (sender is Button) { buttonName = ((Button)sender).Name; MessageBox.Show(buttonName); } } … |
| | Hey guys, Having a bit of a problem. I have loaded a list of values from a mysql database into a CheckedListBox and want to be able to select them to eb used in a query. The CheckedListBox shows the data as table_name.attribute_name, and when an item is selected I … |
| | My wife and i own a contemporary pottery studio that offers what we call pottery perks program. Where in we offer a 20 gift certificate for every six times a person reaches a $20.00 limit. Having a lot of customers and keeping our little pottery perks information cards are starting … |
| | i ve got two radiobuttons one labelled male and the other labelled female and a client is supposed to choose which gender they are and insert it into the other database along with other information. I want to know how I can insert the chosen value (male or female) into …  |
 | Hello Friends.... I have a patient registration form in my project...in which I have to browse the image of the patient save it in the database and when I need the details of the patient again the uploaded image should also be displayed.... Please help me in this... I have … |
| | i have a combobox i want to show all the student name in it , i am using mssql database , and when we select student a textbox will show the rollno of that student , please help me |
| | i need on how to draw a simple bar chat on my form like the picture below. for A B C D. Each time it draw at random. all % should be equal to 100%. |
| | I have four crystal reports already created. I want to incorporate those reports into an application whereby when a user clicks on a menu item the report opens in a new tab providing that it is not opended already. i would be grateful if i can have some insight from … |
| | Hi All, I want to build an application that will navigate a website that contains user login form and automatically logged to it and retrieve data from it's table. Is this possible? What would be my best approach here. Thanks in advance. -renzlo |
| | I have a dynamic form, which contains an empty listbox and a button at first. When the button is clicked, an item is added to the listbox and a new PropertyGrid is created associated with that item. What I want to be able to do is change the name of … |
| | i have a doubt i have created a application in which i have used a VLC (Video LAN player) and i have given in the property in the option MRL i gave the video address which should be played, when i executed then the video was playing and when i …  |
| | Hello Friends, I have got confused with one topic Scenario is such that.... I need to browse a file and copy the file from one location to another.... I am done with the file copying but I need to add the list of all files present under that folder in … |
| | iam making a simple computation but iam having a problem with this [CODE] If btnAdd.Text = "&Add" Then cbleave.Enabled = True dtFrom.Enabled = True dtTo.Enabled = True dtApplied.Enabled = True clear() btnAdd.Text = "&Save" btnSearch.Enabled = True sql = "SELECT IFNULL(MAX(cnt),0) FROM tblleaveapp" NewDataSet(sql) Else If cbleave.Text = String.Empty Then … |
| | Hey guys, I'm doing a project for university and i have hit a wall. I have a gridview that is connected to a database as shown below: [url]http://i40.tinypic.com/fys9i.jpg[/url] (menu is incomplete) I want a drop down box that is populated with the type of food such as (pizzas, burgers etc … |
| | Well something is missing of me (again :P) and I need some help.. I am trying to get files for my database and load it into comboBox. But for some reason I get systax error.. As I mention into other post I am not familliar with VB so please check … |
| | hello please i need help!! i have 7 forms in my windows application and the 7th form,only have a datagridview that has been populated from a bounded database. one of the columns in the datagridview contains date, so i need to check if the date in the column is today,then … |
| | can anyone help me with this? im having trouble with renaming a file.. the last 2 digit of DT102T01 up to DT102T15 will count according to the number of files inside the Data_PRN folder. please help! any suggestion will be appreciated.. tnx '===== make directory & rename file . prn … |
| | the given error is that this crdb_adplu.dll is missing or cannot be found in the path specified: file:///C:\Program Files (x86)\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Common\SAP BusinessObjects Enterprise XI 4.0\win32_x86\dotnet1\crdb_adoplus.dll' i already tried downloading it and adding it to the folder and editing the config file with : <startup useLegacyV2RuntimeActivationPolicy="true"> … |
 | Hi everybody, its Leo again I'm having some problems calculating the values for two diferent fiels of the datatable. it return " [COLOR="Red"]Object reference not set to an instance of an object[/COLOR]" this is How I feed the datatable [CODE] Dim daProd As New SqlDataAdapter Dim conProd As New SqlConnection … |
| | I have a problem in vb.net when i connect database to the vb it show me this massage for all tables that i have in the database "Could not retrieve schema information for table or view Attendance." when i press OK the fields do not show it looks like the … |
| | i found this code but it record mic device only . [CODE]Imports System.Runtime.InteropServices Imports System.Text Public Class recordvb <DllImport("winmm.dll")> _ Private Shared Function mciSendString(ByVal command As String, ByVal buffer As StringBuilder, ByVal bufferSize As Integer, ByVal hwndCallback As IntPtr) As Integer End Function Private Sub Button1_Click(ByVal sender As System.Object, ByVal … |
| | Hi everyone; I am working on a windows form project on VB.NET and am required to take the user submitted text from the textboxes on the form, to a networked database. I am guessing using an SQL database, so how would I set this up and implement all of this? …  |
| | Hi all , May i know should I set an object to nothing even after implementing an IDisposable method to my custom class ? Correct me if i am wrong , if you set it to nothing you are just setting the object to its default value . As you … |
| | Hi, I keep getting the error: Object reference not set to an instance of an object. When attempting to check if a database record is Null or not using the line: [CODE] If IsDBNull(dSet.Tables("Subscriptions").Rows(incr).Item(8)) = True Then addsub2() End If [/CODE] I'm sure that I have opened and closed the … |
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