2,070 Topics
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When I insert data into the database, for instance, a new client, and after that query the clients in the database, the new client is not immediately shown in the list. For it to be listed, I have to clear the cookies and log in, again, into the site. Why … 
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My friends I was working on the concept like a user can upload his image as a user avatar, and that should be shown in all his pages. I have two pages namely get.aspx and show.aspx get.aspx contains image file uploading and saving the records in database. show.aspx is to …
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If you were to build a fairly complicated website, and you wanted to add features like instant messaging (one to one and multi-chat like a chat room, and possibly if the site becomes profitable enough, voice/video chatting) and you wanted to be able to store these chat sessions, would it …
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i have been doing like the code below, but why when i clicking the "delete" button, it is delete all records in the datagridview, but it does not updating to the database. And, how do i make only the selected row that has been selected by the user that gonna …
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I Need some help.i just have some tables in data base, that is school ---Name(primary key),phonenumber,street,town,state,country college---Name(primary key),phonenumber,street,town,state,country Railwaystation---Name(primary key),phonenumber,street,town,state,country Hotel---Name(primary key),phonenumber,street,town,state,country In the front end, i will put two combobox and a submit button. All i need is first combo box will have to select the table.Second combobox shows …
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sample asp.net with c# sql database connection 
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Hello, Everyone, I need your help with my code, I am trying to display the image from database to picturebox but I can't figure it out. Below is my code: Private Sub LoadImage(ByVal ind As Integer) Dim cn As New SQLiteConnection("Data Source=C:\db\QC_ASD_2013_08_09.qdb") Dim cmd As New SQLiteCommand(String.Concat("SELECT beeld_data FROM image … 
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Hello to all am new programmer facing a problem in saving three checkboxs into database for example a b c all of the has a value in the database any one can heple from scratch I'll be greatfull regards,
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Hi,everyone.. I was wondering.. Is it possible to carry out other tasks in a php application while data is being uploaded(by that application) into a MySQL database?
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Hai everyone, i have a problem, the program just read the first entered `Quantity` value in the program and apply it to all rows in database and the value of first and second row are same, even though in the beginning, first and second row value are different. First of …
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i have a index.php i just want only logged in user can access the page my code . in the index page is <?php error_reporting(0); $authorized=false; @session_start(); if(isset($_SESSION['$myusername']) && isset($_SESSION['$mypassword'])) { $authorized = true; } if(!authorized) { header('location:login.php'); exit(); } ?> 
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Hai everyone, i want to minus the data from the database with the value that i give when i run the program, everything is works, but i keep stuck at the `newVal` i already did like this, but the `newVal` keep appear 0 (because i declared `decimal newVal = 0`, …
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i have a problem here. Here is my case: I want to update the Quantity value from program based on the value given from program and minus it to the database. For example: i have 100 in Quantity in the database, once i run the program and update the Quantity …
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Hi everyone, i have a problem where i cannot solve it. So, i decided to post here my problem is, probably you guys can help me out. Well, here is my case: 1. i already can make a new table based on the username that user type in the registration … 
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I need to develop Feedback module in PHP/MySQL. **I would like to know the database design and flow to manage this system.** > There are questions for 2 tools which i need to store in my databse and need to create report like %of Positive Response, % of Negative Response, … 
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Im doing an application n c# and using Ms Access 2003. i want to check whether a product id already exist in the database. Below is part of my code[code]string sql; OleDbCommand cmd; OleDbDataReader rdr; mDB.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data source=" + Path.Combine(Application.StartupPath, "..\\..\\Company.mdb"); mDB.Open(); sql = "Select COUNT (*) ProductID …
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There seems to be a lot of "how to... images in databases" questions. What are the Pros and Cons of this Vs good old fashioned images in folders? 
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Hi i have a datatable which looks like: Modulecode AdminNo EG1001 111411H 111380Y 192029B EG1002 110970R 102938X ... populated in a dgv. How to i get: Modulecode NumofStudents AdminNo EG1001 3 111411H 111380Y 192029B <<<<<<<<<<Blank>>>>>>>>>>>>>>>>>>>>>> EG1002 2 110970R 102938X <<<<<<<<>>>>>>>>>>>>>>>>>>>>>> . . . My codes are: ''Connections Dim connect As …
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Several people have asked about storing binary data in a database. I coded up an example today that uses an ADODB.Stream to copy the binary data but after some fiddling I found a more direct way. If you are using MS SQL Server, the easiest way I have found is … |
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hi can anyone tell me how do i put load linq query into datatable then populate into datagridview? my codes are as follows: Dim dt As New DataTable '' Create 3 typed columns in the DataTable. dt.Columns.Add("ConflictingPaper", GetType(String)) dt.Columns.Add("Numberofstudents", GetType(String)) dt.Columns.Add("AdminNo", GetType(String)) 'Dim query1 = (From a In dt3 Group … 
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Displaying a description based on code in database C#, database, WindowsApplication, Hi everyone, i have a question how do i input the descriptions columns if i type the number based on my database in code columns, i already retrieve the code from database, but now i also want to display …
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Hi i have a datatable, dt3 showing: adminno paperno 111411H 4 111411H 9 182938C 2 192839A 3 111380Y 26 111380Y 36 111380Y 40 182737N 26 182737N 40 i want to populate: conflictingpaper numberof students adminno 4:9 1 111411H 26:40 2 111380Y 182737N ... .. .... ... i have these codes: …
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Hi guys, i created Windows Application form my project and there is a problem that i am facing right now. I already had an array of textboxes, and wanted to connect those database textboxes, however, i cannot get the data because the data that i want to connect is int …
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Hello Community, I was wondering if there is a way to use some kind of local server such as Wamp, Xampp, easyPHP etc... something like that and set it up so everyone on the same network can access the database on the server. The server will be running on a …
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Hi i have a datatable, dt3 showing: adminno paperno 111411H 4 111411H 9 182938C 2 192839A 3 111380Y 26 111380Y 36 111380Y 40 182737N 26 182737N 40 i want to populate: conflictingpaper numberof students adminno 4:9 1 111411H 26:40 2 111380Y 182737N ... .. .... ... i have these codes: …
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I am working on a mapping system to support pathfinding over areas that are too large to hold in memory. The problem i have run into is how to load only a small part of the map when its all linked together and then dynamicaly load more of the map … 
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Hi, can anyone tell me whether im storing my data into list<of T> correctly? My codes are as follows: Dim connect As String connect = "Provider=Microsoft.ACE.OLEDB.12.0; Data Source=" & Application.StartupPath & "\segdata.accdb" Dim conn As New OleDbConnection(connect) Dim cmd As OleDbCommand = New OleDbCommand cmd.Connection = conn conn.Open() cmd.CommandText = …
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hi i have these codes: Dim dt As New DataTable ' Create four typed columns in the DataTable. dt.Columns.Add("ConflictingPaper", GetType(String)) dt.Columns.Add("Numberofstudents", GetType(Integer)) dt.Columns.Add("AdminNo", GetType(String)) Dim query1 = (From a In dt3 Group CStr(a.Field(Of Integer)("PaperNo")) By AdminNo = (a.Field(Of String)("AdminNo")) Into Group Select dt.LoadDataRow(New Object() {String.Join(":", Group.ToArray()), Group.Count(), AdminNo}, False)).ToList().Count() DataGridView3.AutoGenerateColumns … |
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Hi, i have this datatable dt3 which looks like: ADminNo PaperNo 111411H 3 111411H 18 172828z 3 172828z 18 111380Y 93 111938S 10 How to i get something like: ConflictingPaper Numberofstudents AdminNo 3 : 8 2 111411H 172828z so on and so forth. to populate in a datagridview. i tried …
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