Visual Basic .NET Forum

how to display menu strip items on mouse over event in asp.net(c#)

Hi, I'm trying to render a checkbox in a datagridview column header so that when the checkbox is checked/unchecked all the cells in that column should be checked/unchecked accordingly. The datagridview is bound to a database table but the column containing the checkbox header cell is unbound. The problem is, whenever i click the header...

Hi everyone: Please, be patient. I'm new to this forums and English is not my native language. I have a little trouble with my code. You'll see. I'm using the developer express GridControl tool. I have a Gridview in it with a table bound to it. The control lets you filter your info. I have a Select all button that works, the only problem is...

Hi, I need to call a DLL function, from vb.net. The c++ header for the DLL looks like this GRIDHANDLE tek_CreateGrid (const char* const kszMapName, DEVICEINDEX devIndex ) GRIDHANDLE and DEVICEINDEX are both integer types. In vb.net I need to pass a null terminated string, with a value in it, to kszMapName. If the DLL was just...

Hi, My application is in VS2008 coded in Vb.net.I have a datagridview which is populated from Database.I have a save button on the same form that has DatagridView. My requirement is i want that all the records that are populated in DatagridView should be saved in a certain table of the database when the user clicks save. Im done with my save...

Hello... i am doing some kind of application using Vb.net connected to an access database..unfortunately i am getting this SYNTAX ERROR IN INSERT INTO STATEMENT...i have been trying to find out y for a day now but i really can't find answers...im feeling sorry for myself now..i am jst a beginner...could someone out there pls help me with this..i...

Hello, I would like to know if there is a way to close a form when the user chooses to open some other form. Thanks

Ok heres the jist... in the Timer1_Tick sub which is within the form1 i call If something = true then Timer1.enabled=false ''Call a sub thats within a module to do something using the threadpool ThreadPool.QueueUserWorkItem( New WaitCallback(AddressOf MySub) end if

Hey guys: I have a problem. I have a report that displays some sales info. I have a query that takes the data from an SQL Server database and I store it in a dataset. Up to there everything is ok. The problem is that I need to print the same report using Crystal Reports for each row in my query. Is there any way this can be done? I call a form...

Hi, My application is in VS2008 coded in VB.Net I have a DatagridView.I have a Save Button on my Form.Now my requirement is i want to Update the Data that is populated in Datagridview when i click on Save button. I want to do it using Update Query. below is my code. DgvStudRecord is my DatagridView I want to update only the Fourth Column in...

I want the one column in datagrid to be link to the record detail. My datasource is in access2007, my database name is dts2011, i have a field name doc no, subject and addressee, the doc no. is autoincrement. i have two forms in vb.net form1 and form2, the form1 is the table showing all records in other words is in datasheet view, while the form2...

Hi All, I want to pass a hot key through a button. Ex:if i press a button it could pass some 'ctrl+o' key to the activated application(some windowsmedialplayer)... Can anybody please give a valid solution. Thanks in Advance, Swadesh K Pujari

I have created a simple custom control - we will call it a "panel with buttons". Here is how I instantiate it: Dim Panel(PanelCount) As Panel.Panel Dim iTop As Integer = 5 For I As Integer = 0 To (PanelCount - 1) Panel(I) = New Panel.Panel Panel(I).Parent = Me 'the following just position...

I have use SET Global max_allowed_packet=16000000; yes it works..but when the server is restarted,my databases in my pc.So every time my pc got restarted it return to the default value.... how can i set the max_allowed_packet permanently..im using vb.net!!!!!

Hi, I got this DLL functions explained in C++ as below : Void GetResultData(int pIndex,char pStrData, double pDoubleData) In order to read result in VB.net 2008, I did below : Private Declare Auto Sub GetResultData Lib "dlls\VSQS.dll" (ByVal m_index As Int32, ByVal m_tdata As IntPtr, ByVal m_dlbdata As IntPtr)

Sub FindOpenThread() Try Dim DS As Integer Dim mWorking As Boolean = False If tCount = 0 Then tCount += 1 mThread(tCount) = New Thread(AddressOf ScanNow) mThread(tCount).IsBackground = True mThread(tCount).Start()

Hi All, I am getting below error, when passing the path which has space between the folder name. "System.ArgumentException: Illegal characters in path" I have declared the the path in the variable like below:

I am new to this programming thing, Here is what i am doing as of now... For i As Integer = 0 To Dt1.Rows.Count - 1 Cmd.CommandText = "UPDATE Spares SET Pur_Price=" & Dt1.Rows(i)("Cost_Price") & ",Sell_Price=" & Dt1.Rows(i)("Selling_Price") & " WHERE Part_No=N'" & Dt1.Rows(i) ...

Hi Everyone, Like many others before me I have the often asked question of how to create an 'Access-like' input mask for hastening date data entry. Using C Pearson's much quoted code I've modified it as such: Private Sub Worksheet_Change(ByVal Target As Excel.Range) Dim DateStr As String

I am trying to display value of the field ("UserID") for every row exists in datatable to checkboxlist(make the checkboxlist item selected). I used for loop, but only the field value from last row of RoleUsers table is selected in the checkboxlist. Here is my code Private Sub DisplayRoleUser() Dim conn As SqlConnection Dim cmd As...

I am new to vb 2010 express edition, I want to make a simple project that connect my access 2007 database to vb 2010 express edition. i want to make a form which view is datasheet.

Dear All, I developing one query Builder project in VB.NET 2010, in that I need to check the input Query's syntax, ie., the system should check its syntax before the Query has been executed. Please anyone give me the idea about it. Thanks & Regards, Bluesathish

I have tried ADO, now I've moved to SQLClient and I still cannot retrieve the return value from my procedure. Can someone please help me??! Thanks. Here is my VB code: cmd.CommandText = "usp_executeMerge" cmd.CommandType = CommandType.StoredProcedure Dim retparm As New SqlClient.SqlParameter ...

So i have some data in an 1 dimensional array, is it possible to dump this data into a database?

hi all when i close one window and open another using showdialog it shows back window or desktop for a while and then open the required one. I want to open directly without showing back window regards