[2005] Using User Input As Gridview Parameters?
Mar 6, 2009
have a web form using Asp.net 2.0 with vb.net. I have two date fields on the form but I would like to validate them before my gridview uses them as parameters. I am using a Dataset for the source of the gridview and two parameters called StartDate and EndDate.
Basically in the code I am setting the values of the fields to the current date at runtime. Also the date fields in the SQL Server table are datetime and I only want the user to have to enter the date and it would grab all records within that date range regardless of the time. When the user enters the two dates and clicks a button on the form I need it to reset the parameters to the enter dates and refresh the data.
Here is the
Partial Class DispatchRequestList
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[code]....
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Mar 11, 2010
I created a stored procedure in SQL which will accept parameters from a vb.net textbox.I want it to output the count of records.
stored proc:
USE [Traffic]
GO
/****** Object: StoredProcedure [CENTRALTIMOVKP].[spReturnValue] Script Date: 08/02/2010 08:57:13 ******/
SET ANSI_NULLS ON
[code]....
I get the following error after I input my values (strRoadName and US45):Syntax error converting the nvarchar value 'SELECT COUNT(*) FROM tblSpeedStudy WHERE strRoadName = 'US45'' to a column of data type int.
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Oct 26, 2010
creating code to force user at runtime to place values in textboxes. This is what I have so far. I want to be able to force the user to have to place a value in the empty textbox and change the backcolor of the textbox back to default color after a value is placed.
HTML
Public Sub Subjectvalues()
Dim SubjectValues As TextBox() = {Me.subj_ba_txt, Me.subj_bed_txt, Me.subj_dom_txt, Me.subj_gla_txt, Me.subj_levels_txt, Me.subj_lotsize_txt, Me.subj_lp_txt, Me.subj_orglp_txt}
Dim tb As TextBox
[code]....
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Dec 29, 2009
I wanted to have a textbox that can be input in terms of numbers. Then I need to use the number user input into a certain equation. How I can do this??
Also if I want a user to input equation such as A+B into the box, but then I need to use the equation user input to find answer for certain A and B value. Can this be done?
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Jan 2, 2010
I know how to read user input using textbox but it only can read character and numbers. Is it possible that I want to read user input equation?
Example:
User type A+B
User put range of A and B.
1.25<A< 3.56
2.45<B< 9.87
I failed to read the equation using textbox. Is it there are other ways that can use to read equation input A+B?I am using VS2005 and VB.Net. I really new in this programming using VB.Net.
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Jan 15, 2011
I need some help with the input validation of my application. Attached is the code that I have written as well as a screenshot of the front end. I specifically need input validation to verify that the user selected input for cbLengthOfStay is a number between 1-10 as well as input validation to verify the user input for txtMedication, txtSurgicalCharges, txtLabFees and txtRehabilitation is a positive numerical number. Please feel free to critique my attached code. [Code]
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Feb 19, 2012
If my Category and Forum selection is incorrect I am sorry and feel free to move it. I'd like to have the users input in the message box that will show. For example: There is a textbox and the user puts in their name as Bob. Then the message box would be: What my main goal is, is being able to include the users input they type inside the textbox inside the message box.
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Apr 4, 2010
Should I validate input parameters on all functions I create? Input isn't passed from a user, but from other routines as part of an automatic process.
I use error handling. I'm not sure what more validating input could do for me. If the input isn't valid, that's pretty much the same thing as an error, isn't it?
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Oct 7, 2010
I have a stored procedure with two input and one output parameters. I need to execute the stored procedure from VB 2008 code passing it two parameters and returning the output parameter. How might I go about doing this? I don't have how to do this. Newbie here.
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Sep 25, 2010
I have a problem with the code, I have input the valid username and password in the form textbox to input the strings in php, but it keep displaying the messagebox that says login failed.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
MessageBox.Show("Please enter your username")
ElseIf Textbox2.Text = Nothing Then
MessageBox.Show("Please enter your password")
Else
[CODE]...
I don't really know why it keep displaying the messagebox that says it failed when I have input the valid strings in the first place.
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Mar 14, 2009
I have button in one of the columns in a gridview. On clicking on a button I need to redirect to another page along with parameters to another page.
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Nov 3, 2011
Option Strict On Public Class Form1 Private Sub btnDistance_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDistance.Click 'The btnEnterSpeed click event accepts and displays up to ten speeds from the user'and then calculates and displays average speed
[Code]...
I cannot figure out how to incorporate the number of days into the input box then get it to loop and count the number of times the User inputs in the number of days. Then I have to incorporate it into the equation to get the total distance D = MPH * Hours. What I have right now wil not count up the number of days and locks up after I input one number and will not add anything to the listbox. Because I also have to make sure that they cant add nonnumaric values and the number of hours per day cannot exceed 20. I have put things in and taken them out but it has been 2 days and I am lost now
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Jul 14, 2009
I'm trying to save what the user types in the vb code Dim user as Inputbox("") for example in a .txt file i can save the textbox and listbox but i cnt figure out how to save the inputbox i really need this to be saved the most.
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Feb 11, 2011
I am creating a form for work where managers can report when they find a customer's personal information laying around on a desk (we work at a call center where agents answer calls for a wireless cell phone provider, so we take personal information security very seriously). Anyway, I am wondering if there is a way to have a text box autofill with that manager's windows username (since they will need to be logged into their own profile to use the form).
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Mar 11, 2010
I need something tje user can type in data to such a parts QTY cost etc. There are no predefined parts list so the user can enter any part name/Number and there is no limit to amount of parts that can be entered.
Does anyone have any idea what might be useful. It was thinks of a listview bu i can't see that you can type into that. I cant use comboboxs because there are no predefined list and i know there is some way to generate text at runtime (i think) but i don't know how to do it and i would prefer a clearer approach.
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Apr 12, 2012
I have a grid view that is shown on the click of a button and takes the input of a text box. This works great, however i would like this gridview to be editable.The code for my button is
GridView2.Visible = True
lblEnterName.Text = ""
If txtLoanName.Text = "" Then
[code]....
I know the datasource needs update,delete queries etc, but not sure how to add these as the datasource is created when the button is pressed.
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Dec 17, 2009
I have a web page with 5 checkboxes and 2 textboxes per checkbox. When the user checks one or more checkboxes the corresponding textboxes become enalbed for UI. I need to insure that the input for the textboxes is an integer-that I will do with a validators. There is a gridView on the same page. When the user checks one or more checkboxes the 2 columns of the gridView rows become active for input through enabled textboxes.
There are 4 columns in the grid. The minimum number of rows enabled are 2 and the maximum are 26. The UI for the grid's textbox input is numbers. Those numbers have to be equal to or less than the total. How do I validate UI of numbers(integers) into the grid's dynamically generated textboxes and then add the total and compare it to the alloted total? I prefer to do this with the code behind - using VB.NET - rather than with ASP.NET or absolutely not javascript.
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Oct 16, 2010
I'm trying to execute CREATE USER with a given username (via sql parameter)
exec sp_executesql N'CREATE USER @LoginName
FOR LOGIN @LoginName;',
N'@LoginName varchar(5)', @LoginName='myuser'
Heres the code thats generating the above:
Dim myCommand As SqlCommand = New SqlCommand("CREATE USER @LoginName
FOR LOGIN @LoginName;",
ClassDatabaseConnection.CustomInstance)
[code].....
I get and error:Incorrect syntax near '@LoginName'.I think this is due to the parameters being passed as VarChar causing 'MyUser' rather than MyUser Can I not do this with sql parameters?
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Mar 30, 2009
Im currently working on mendhak ADO.net tutorial and I keep getting this error when trying to add a new customer to the database.Load Event
[code]...
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Feb 9, 2010
I am using a form which is having a listbox having a column of access table. When I select an item n press deleting it its working fine. But from the next time its showing an error "No value given for one or more required parameters".
Refer the ecode below:
Private Sub load_listbox()
Dim m_DataAdapter As OleDbDataAdapter
Dim m_DataSet As New DataSet()
Dim tbl_name As String = "Fld_detail_" & Datamaker.Application_Datamaker_ListBox.SelectedItem
m_DataAdapter = New OleDbDataAdapter("SELECT Start_loc FROM(" & tbl_name & ");",
[Code] .....
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Nov 30, 2010
I am writing a program where the user has to log in before the program loads. Right now I have all the users and passwords hard coded into the program. Recently I have written a Oracle function that the username and password is sent to the DB and a yes or no is sent back after comparing the passwords. I am getting the correct response back and it will display in a label (I tried it to make sure the response is correct). The problem I am having is that the program after receiving the response doesn't recognize the response so I always get an incorrect password error.
Below is my code:
empName = tbxUser.Text
passWord = tbxPassword.Text
dbConn.ConnectionString =
"Data Source=!!!!; User Id=!!!!; Password=!!!!"
[Code] .....
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May 8, 2011
Just have a quick question really, I am just making a simple application that allows me to check if a user exists in SQL here's my code
Public Function Check(ByVal textbox1, ByVal textbox2) As String
Dim comm As New SqlCommand
Dim conn As New SqlConnection
Dim Adap As New SqlDataAdapter
[Code] .....
And when it comes to the Comm line I get this error
Operator '&' is not defined for string "Select * from Login where Userna" and type 'TextBox'.
I've tried removing the "&" and well i cant figure it out.
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Sep 3, 2010
I am trying to returns records based on the last name of a customer in an access db. When I run the query in Access it works fine, the name in the examples returns 3 records with that last name. I use the same basic structure for other queries based on other fields (ID, UnitID etc) and they work fine.
[Code]...
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Mar 21, 2010
How to add parameters to app.config file while during msi file installation. please look at the attachment.
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Mar 2, 2012
I'm rewriting a small application and I'm working on moving the data access logic from the form to a separate class. All was working will when I had all the code in the form. Lets say I had code similar to this in my form:
[Code]...
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Apr 22, 2009
I would need samples/hints on how to progammatically generate executable files after taking custom parameters from the user.I have looked into codedom and I almost got it to work except for the little fact that my application launches the console too and it's meant to be a simple windows form.
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Feb 24, 2011
I have 2 pages, one is HTML and the other is ASPX. In the HTML I am able to get input from a user and then process a return email to them.The HTML looks like this:
<input type="text" class="input" value="e-mail" id="txtEmail" name="contactEmail" onclick="SelectAll('txtEmail');" >
[code]....
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Mar 31, 2011
I've got a program where the insert/update SQL was created with the values coded directly into the SQL string. I've changed this to use the Command's Parameters.AddWithValue method and all worked well. I'm now in the process of separating the data access code out into it's own class. I've got the Select code working using a DataSet in the form that I pass ByRef to my data class so it can populate or refresh it. My sticking point is in how to pass the parameters for the Insert/Update commands to the class since from the form I no longer have access to a Command object. Do I need to make the Command object in the data access class available to the form?
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Jul 3, 2009
I am trying to execute a command line EXE (busobj.exe) with required parameters through VB.Net. Because of unknown reason the report is not being generated. Here's the commandline:
Shell(txtBOExecutable.Text & _
" -user " & txtUserName.Text & _
" -pass " & txtPassword.Text & _
" -system " & txtDomain.Text & _
[code].....
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Sep 19, 2011
I have a table in my DB that needs to be updated. Whats a good way for a user to enter these 50 or so changes and have it update the db.
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