How To Format Text Box During Input
Sep 6, 2009
I have 200+ text boxes in vb.net application. Let me make it clear all are simple text boxes. now customer demand to have formatted number value while input or viewing record. With Format() i can play for viewing but during add/edit mode in text box (While user typing value) nothing happened I want this result 1234567.0090 to 1,234,567.0090 during input.
or guide me any way by which i change all text boxes to mask textboxes through any tool or code.
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Mar 23, 2010
What I want, is Some text fields to input text, and one image path, then I want to print that, in a format like..
Centered Text
Centered Text
-------------------------------------
[=====IMG=====] Text text text text
[code]....
But from everything I've read though, I'm completely lost.
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Oct 25, 2009
I am trying to bind a textbox to a binding source (using the IDE DataBindings Editor) and it works fine except for one thing: if I delete the text I get the subject error. What I want to happen is the datarecord field be updated to a dbnull value -- how do I get that to happen?
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Jan 1, 2010
I am reading text from a file (*.TXT) 1 line at a time using streamreader. As I read that input, I am looking for specific starting and ending character strings ("<" and ">") . When I find those strings, I would like to select the characters between those string and have it set to BOLD and BLUE before appending that input line to the contents of a richtextbox.The only way I have found to do this is to first append the input line to the richtextbox then use the richtextbox.selection (color and font) methods to change the text.
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Jul 7, 2011
The problem is I am able to extract the data by giving cell reference like: TextBox1.Text = objWorksheet.Cells(5, 2).value
But I want to select a row as per input given by user and want to extract data from that row.
The input given by user is in text format, in my case name of employee. And I have to extract address of that name.
[code]...
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Jun 26, 2010
i wish to apply an input-mask or a format on an input box so it can check if the input data is an email or not.the inputmask/ format would be as folowing &&&&&&&&&&&& "@" &&&&&&&& ".com ".That is in Access but how to do it on VB.net and an input mask. Here is a part of the code which I use
Dim x As String = InputBox("please enter new E-mail" + vbNewLine + "eg.(username@domain.com)", "Change Email", My.Settings.Email)
If x <> "" Then[code].....
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Sep 14, 2011
var queryString = string.Format("filename={0}&filestream={1}&append={2)", fileName, Convert.ToBase64String(b, 0, bytesRead).ToString(), 1);
above line of code giving error 'Input string was not in a correct format.'
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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 15, 2011
I'm doing some homework for my VB class where I have to write a program that creates an invoice for a customer. I'm having an issue with converting the name input from the format of (Last, First) within the same textbox to (First Last) in a listbox via a function. I have done everything but dealing with the strings and I'm at a loss. I'm also having to create an invoice number with the first two letters of the last name and also the last four numbers of the zip code in an address line such as City, State, Zip. Manipulating these strings is killing me.Below is the code that I have written, manipulation of the strings must be in one function for each the invoice and the and the name issue....
=Dim custinvoicenum As String
Private Sub btnProcess_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnProcess.Click
Dim custname As String 'Name of customer[code]......
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Feb 16, 2012
I'm trying to make a program that takes user input and sets it to a time value.[code]..
I'm getting an invalid cast error. Does anyone have any hints on how to format the user input as a time value?
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Sep 17, 2009
I'm having an issue with a page I created that was working fine two months ago. Nothing has changed in structure of the SQL tables and I have even done an insert within SQL to the table and all works fine with SQL. So the problem lies within the code. I'm getting this error:
Input string was not in a correct format.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.FormatException: Input string was not in a correct format.
Source Error:
Line 71: Dim sv As String = grd.Rows(i).Cells(7).Text
Line 72: ApproveManifest(sv, ffisID)
Line 73: Insert(sv.Remove(0, 6))
Line 74: PushIn001(sv.Remove(0, 6))
Line 75: PushIn002(sv.Remove(0, 6))
[Code] .....
If I comment out line 73 and run it, I get the same error on 74. If I comment out 73, 74 and 75 the code runs to the end fine, it just doesn't insert the data into my table. It was working just fine and now it's not working.
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Mar 14, 2011
I was tried to working with session. I have a login page, when user click the login button. i have save the User name and Password in the session. below are the code snippet on yhe login event:
[Code]...
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Jul 31, 2011
Making a currency conversion program and I'm trying to run this code and I get an error saying that "Format exception unhandled: Input String is not in correct format". Then it points me to the line decUSDollars = Convert.ToInt32(strUSDollars) under Private Sub btnConvertButton_Click. I've looked all in my textbook and I can't figure it out.
' Program: Currency Converter
' Author:
' Date:
[code]....
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Dec 19, 2011
My error message is as listed in the header "Input string was not in a correct format" however the stack trace is even more cryptic [code]...
This is worse due to the fact that nowhere in the project does it use "ParseDouble". I believe that this has something to do with the objectfactorylibrary but can't pin anything down.
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Dec 1, 2010
With the following snippet
Foo = IIf(String.IsNullOrEmpty(txtFoo.Text), 0, Integer.Parse(txtFoo.Text.Trim))
I get the error when I submit the field without a value: "Input string was not in a correct format." I don't have any space or something else and String.IsNullOrEmpty(txtFoo.Text) returns true.
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Oct 26, 2009
I am having some trouble with a DataBound TextBox with the Decimal DataType.
Here is the situation:
- I have a TextBox bound to a column in DataTable in a strongly typed DataSet.
- I have an ErrorProvider that has the BindingSource set to the same binding source as the TextBox.
- The Datatype of the column bound to the textbox is Decimal.
- I have my business rules set up as Partial Classes in the Dataset.
- I am capturing the ColumnChanged event in the Partial Class for the DataTable in question.
The issues are:
- The ColumnChanged event fires in all cases except when there is a data constraint. For example you enter non-numeric values in the TextBox.
- Once you violate a data constraint you cannot leave the TextBox empty even though the column is nullable.
In the above scenario the error icon appears beside the TextBox with the error "input string was not in a correct format."
There seems to be an internal event triggering before my business rule logic is able to process.Desired functionalty:Bypass this internal event and present my own error message to the user using the business logic coded in the partial class.
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Apr 12, 2012
I have a dropdown list which extracts data from my SQL database and gives the users two options to choose from (Weekly / Monthly). The database has an ID for each of these. Weekly is set to 1 and Monthly is set to 2. This drop down is linked to a gridview which extracts / displays the data based on the selected item. All of this works perfectly fine. This issue I have is that I want to add some code in my Page_ load event to populate a text box with the selected item. I would also like to set the dropdownlist as default to weekly when a users access thie page. I thought that the two following bits of code would work but I get the message 'Input string was not in a correct format'.
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
'This works fine
lblTodaysDate.Text = GetDate()
'I thought I could complete an If Statement to get the text box to work.
If DropDownList1.SelectedValue = 1 Then
txtMeeting.Text = "SMC Weekly Meeting"
Else
txtMeeting.Text = "SMC Monthly Meeting"
End If
End Sub
I am new to .net but have read that I might need to convert my int to a string?
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Feb 12, 2009
I keep getting the following error: "Input String was not in correct format" and it relates to the following line of objRow1 = objDataSet.Tables("tblStudent").Rows.Find(selA) I cannot grasp why this error keeps occuring. I have definately used this format (i.e. datarow = dataset.tables("tablename").rows.find(something)) elsewhere and have had no problems.
What I'm doing is reading the values in a listbox and trying to find their related IDs. The values in the list box are names from one particular table in a database and I need to get their IDs to save to a second table.
[Code]...
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Jul 28, 2010
Within a project of mine I have created a group box that I am using to convert an input temperature from Celsius to Fahrenheit with the click of a button. The input is a text box value, manually entered. However, VB is giving me an error when I try to parse the string input of the text box so that I can convert the temperature values. I want the temperature to be converted for any values entered into the input box. Here is the code I am using...
Private Sub Button9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button9.Click
TempC = Double.Parse(Text3.Text)
TempF = Double.Parse(Text4.Text)
[code].....
The error tells me that "the input string was not in a correct format"
The code works when I replace the input strings with an actual string, but again, I want the user to simply type in a value to the temperature box, hit convert, and then receive the conversions.
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Nov 16, 2011
What is the best method to take a string from a textbox and verify that it is completely numeric (aside from the . ) and that it only has 2 digits after the decimal?
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Aug 25, 2009
Is it possible that a user input to a textbox like '12500', but vb shows it
'12,500' at the time of input.
But at the saving time vb should to read the '12,500' as '12500'.
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Feb 1, 2011
I'm returning a database query into a List object and using that list object to fill the X and Y axes of my chart as seen below. (_runData is a "List(of DatabaseTableName)" style Object filled with the results of my query.
Primary_Chart.Series(0).Points.DataBindXY(_runData, "DateTime", _runData, "UPPER_PRESSURE")
My Datetime field is returning as a Serial Number (i.e. 40116.76111) so I want to format the X Axis to display the field more readably. Enter my problem code.
[code].....
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Nov 4, 2010
however, i'm copying this directly from the book in its example format and still getting an error.
FormatException was unhandled
Input String was not in correct format
Public Class Form1
[Code].....
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Jan 31, 2011
I have written the following code:
Dim E_ID As Integer
E_ID = Convert.ToInt16(Request.QueryString("ID"))
But when it executes, I always get a FormatException:
error: Input string was not in a correct format.
What could be causing this?i am sending value like this.
Protected Sub lnkPrint_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles lnkPrint.Click
lnkPrint.Attributes.Add("onclick", "return openBadgeReportPage('" + ddEvent.DataValueField + "','" + ddType.DataValueField + "')")
End Sub
End Class
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Jun 26, 2011
I have a multi-line textbox and split each of the lines. Now I am trying to use each of these lines so that I can write them to a file and center them. But there is an error that says "Input string was not in a correct format."
Here is my
Dim myParas As Object
Dim Titlelines As Integer
myParas = Split(TextBox4.Text, vbNewLine)
Titlelines = (UBound(myParas) + 1)
[code]....
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Jan 22, 2010
i am working on my collage project in which i have an "sensor" which detects weights.specifications : (COM1,2400,N,8)I have added two components Timer and Serialport and set the values timer duration =1000 and added a button and textbox.when user clicks on the button timer1 gets started.and in timer1 i added th code which reads the input from serial.now the problem with the code. the input which i eceive is in ASCII formats(actually some of chars are in ascii format).This is the output i m getting :- 029990so i created a string variable which stores this value.
actually i want only number from that string
ex : 029990 ===> 029990
but i m unable to retrieve that.
[code].....
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Oct 20, 2009
I am trying to cast a string to decimal and I keep getting the above error. The problem is is there is a value in the text box, it works but if the textbox is empty, it generates this error.[code]...
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Feb 12, 2009
I keep getting the following error: "Input String was not in correct format" and it relates to the following line of code:
objRow1 = objDataSet.Tables("tblStudent").Rows.Find(selA)
I cannot grasp why this error keeps occuring. I have definately used this format (i.e. dataros = dataset.tables("tablename").rows.find(something)) elsewhere and have had no
[code].....
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Oct 5, 2011
how would I fix the error Input string was not in a correct format error in this function?
Function smallnumber() As Integer
Dim small As Single
Dim smallest As Single
[code].....
do i have to convert it to something else or what?
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Dec 23, 2010
When I attempt to read my Xml file when using a schema file I get the following error message:
Input string was not in a correct format.
If I delete the schema it read its fine so I am assuming something in schema file isn't matching the incoming data? How can I determine which line is creating the error?
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