How To Get And Set Command Text
Aug 19, 2010
I am using Vb 2008 And Access Database. Also i am using Typed DataSet And Data Bound Controls.My Question is How to Retrieve CommandText String written for a Query in Data Source Table Adapters at Run Time.
Also how to Set (Change) the CommandText String for Table Adapters @ Run Time.What i realy want is I am using Data Bound DataGridView Control & i want to allow User to Filter the Rows of Data being displayed at Run Time, for that i want to pass additional WHERE Clause to Query in Table Adapter and Re Call it's Fill Method.
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Apr 23, 2011
I'm running into the following error message when I click the button event: Command text was not set for the command object. [code]
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Dec 21, 2009
If I comment out MdiUpdate() this run fine. When I run it with MdiUpdate I get the following Error...
da.Fill(ds,
"Mdi") Command text was not set for the command object.
I have also taken the code from the select statement and put it into the other 2 (replace the CliendGroupID = 3) and it works fine
Here is the code:
Public
Class NewFileInput
Dim inc As Integer
[code]....
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Apr 30, 2010
First let me say that I am not sure whether or not this should go in this section or the API section, and if it needs to be moved I apologize. My issue is fairly straight forward, but for some reason I cannot get it to work.
I am trying to send a command to a command line and then submit the command. I have been trying without success to get this to work in v2008 Express and v2010 Express, Here is the code I am trying to us:
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" ( _
ByVal lpClassName As String, _
ByVal lpWindowName As String _
[Code].....
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Aug 10, 2009
I am trying to get a set of records from the database to show. This page is setup like a search page with two combos for the data, one for a location, and four for different characteristics. Using this data I created a SQL command text that I checked against the database and it works as a script file. I put this in my code with the changes needed for it to run in VB.Net and I am getting an ObjectNull Reference not set to an instance of an object. It is being caught by my try statement so I only have the line number. Here is the code where it is happening.
[Code]...
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Nov 5, 2011
I understand there is something called a PAD command which aligns text left and/or right instead of making spaces with quotes & blanks like this: (""). Where would I put it in my code to align my words and numbers left and right?
[Code]...
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Jul 14, 2010
So the app that I am working on requires me to launch shell commands that output text into a command prompt window. I need to be able to capture that text into a string.
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May 17, 2010
I would like to capture the command prompt text and place it into a textbox.
Process.start("C:cmd.exe","arguments")
this starts the command prompt
But how does one capture the command prompt text and place it into a textbox.
From what I have learned just about anything is possible.
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Nov 5, 2011
I understand there is something called a PAD command which aligns text left and/or right instead of making spaces with quotes and blanks like this: (" "). Where would I put it in my code to align my words and numbers left and right?
[code]...
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Aug 11, 2011
So basically i have the need to only process a command when the text box is populated, if the textbox is not populated i want it to throw a simple msgbox
look at my code:
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]......
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Jan 7, 2011
I created a form which I communicate with a Programmable logic controller through the Com Port. I have successfully sent commands to it and it has responded with the correct response. For example if i send the command CR through the Com port It comes back CC.I have put a timer that checks the text box for the com port response The problem is that the check box ticks if CC is put in manually into the textbox but once it is sent from the com port it don't automatically do it when the textbox refreshs. How can I refresh the textbox so that it ticks the box after a automatic change of text. I have also tried the textchanged method.
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Jan 20, 2010
I have 14 command buttons on my form. what i want to do is change the text of the form based on the current date. button1 should have todays date.button2 should have tommorows date.button3 should have day after tomorrows date and so on. I want this for fourteen buttons.I can do it manually by assigning each button.text to each date... i want to do it using a loop. is it possible.my buttons are named , button1,button2,button3,button4, and so on toll button 14.and the text i want on them is from the current date to 14 days later...basiocally want to display the dates on the button..is it possible though a loop.m using visual studio and vb.net
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Apr 17, 2009
Is there are VB.net alternative to the C++ command of set active window.text ? (its something like that) baisicly this command renames the active window to what ever you want, is VB.net powerful enough to do this?
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Apr 12, 2011
I was wondering if there is a way to change the Fill command text of a datatable before issuing it.I need this because the table I am opening has over 15 thousand rows and it hangs for a while in the network when filling the table. So I would like to tell it what to SELECT instead of getting the whole table and then applying a filter.If there's a way of doing that without changing the fill command, it will also work for me.
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Aug 11, 2009
The command to a string to another inside lable text box
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Sep 30, 2009
I have an application where the user and search the database and return the values from it. They can also figure the Average, Median, and the Standard Deviation from it. BUt I have a problem with this since the business rules won't allow the result column to be anything but a string so now I am getting error messages on the Select commnad text since it is trying to perform the calculations. I am wondering if there is a way to convert the values in the command text to a numeric value then perform the calculation. Here is the code I am using at the moment.
[Code]...
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Dec 15, 2009
is there a way to accept user input and convert those inputs into command? e.g. i have a textbox that can "test" commands. when i type this into the textbox, it should run the command:
dim a = "asd"
msgbox(a & "fg")
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May 16, 2010
I am working on a scrolling text operation within a VB.net/ASP.net application. However, I am getting an error command from the following two commands:
Me.ScrollingMarquee.InnerHtml
Return Me.ScrollingMarquee.ClientID
The error is that the InnerHtml and ClientID properties are not recognized as members of the class. Apparently I am not using the correct DIM command for "ScrollingMarquee" (e.g. "Dim ScrollingMarquee As Control" is incorrect)).
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Jan 16, 2010
Recently I tried to make a command which will sum the digits of a number in a text box I used the following code
[Code]...
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Jan 19, 2012
The new command text returns data with schema different from the schema of the main query. Check your query's command text if this is not desired. I am getting this warning, whenever I add a query in a Strongly Typed DataSet which returns a single column.
Ex
SELECT DISTINCT Building
FROM Room
ORDER BY Building
When I give this query it will show me a warning. Because warning leads to a constraint error when ever i call the same function in a windows form.
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Aug 15, 2011
how to apply the correct syntax to read the text file which is in C drive
I just wondering how to apply on it in my coding.
Here is sample text files i would like to create the program to read the text files content:
Example:
0x0C03C6ED Wed, 27 Jul 2011 00:33:18
0x0C038E28 Wed, 27 Jul 2011 00:36:29
0x0C039289 Wed, 27 Jul 2011 00:39:51
[Code].....
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Jun 25, 2009
Is there any way to automatically capture the text displayed on HyperTerminal using a dos command or using visual basic without having to go to the program and click on Transfer|Capture?
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Feb 18, 2010
I'll start off by saying I am using Visual Studio 2008 Standard. I am creating a program that will open installed programs using short code. For instance, if a user types in 'npp' then Notepad++ opens. I have it working just fine to respond to the predefined commands, but I would like to expand it so that the user can define their own settings simply by typing the program directory and the custom short code they want: Example: If I am an end user and would like to say define a short code for Windows Media Player, I would simply type the following: (Assuming Excel or likewise is used to open the csv file).
[Code]....
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Jan 22, 2012
I want to upload a string using the UploadString command to a Text file on my FTP server, It uploads correctly but everytime I have the user submit a new string, It overwrites the previous one and displays only one line of string.
I want the person to be able to Submit one string to the text file, then when another user submits another string ( A new line of Chat ) to the text file, I want it to be on a different line after the previous one submitted. Without it being overwritten.
Here's the code I have so far.
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
'button is called Out.
[Code]....
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Apr 17, 2009
I am writing a program that lets someone click on a picture to vote for their favorite pet. The part I am stuck at is: when the application is opened and closed it needs to remember how many votes there were. To do so, when the program is closed I have the information stored in a .txt file. it looks something to the effect of:
name, type, votes
andy, bear, 0
bart, dog, 0
candy, cat, 0
hopsie, bunny, 0
[Code]...
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Sep 27, 2009
I have a command button that when presed allows the user to rename a label on a control ( form ) b4 its loaded.i want to put a command in the forms load event to take out any spaces b4 text in label1.
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Nov 14, 2009
Does anybody know what specific Nokia mobile phone should i use for my project development to send SMS through my PC using a GSM phone... I have my own mobile phone but it doesnt support SMS Text Format on AT COMMANDS. It shows error 303 when i use AT+CMGF=1. meaning my phone does not support Text format. It only support PDU code. I dont have any idea using PDU codes.
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May 6, 2012
I know how to use the default buttons item, but is there any way to achieve the style of multiline buttons (or maybe rather, "clickable text"?) like shown below?
The situation is that I have an interface for the user to select what kind of file he wishes to establish, and there has to be a brief description under the larger, main line of text.
I'm only planning to run this on Windows 7, so I don't need to worry about backwards compatibility with older versions of Windows
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Mar 17, 2010
I am currently using psexec.exe from PsTools to send a command to a remote system to fire a command through a command prompt however I am finding that the shell I am doing does not seem to like the spaces in the path.
[Code]...
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Nov 8, 2007
Any ideas on how I handle the following error thrown in the SqlDataAdapter.Fill as a result of the BeginTrans in the callee?
System.InvalidOperationException = {"ExecuteReader requires the command to have a transaction when the connection assigned to the command is in a pending local transaction.The Transaction property of the command has not been initialized."}
[code].....
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