[2005] Conversion From String "the Cell" To Type 'Integer'?
Jan 11, 2009
I am getting this error as I am trying to write on if statement that if I have got the currentcell text on the second column which it called "the cell" then convert the string to the integer type on the label text but the code is incorrect.
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If DataGridView1.CurrentCell.Value("the cell").ToString() Then
[code].....
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May 20, 2010
I am having problems with the code below. I have copied and pasted the code from a program that I wrote to test and see if the code does work. In that program it does. But when I use the same code in another program I get the following error message. invalidcast exception was unhandled conversion from string to type integer is not valid.
[Code]....
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Apr 21, 2009
I am getting a conversion type error on the red line?
Private Function GetGap() As Integer
Dim VowelNumG As Integer
Dm Vowels as string = "AEIOU"
Dim VowelIndexG as integer
For VowelIndexG = RandomStr.Length - 1 To 0 Step -1
[Code] .....
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Feb 28, 2012
i have a text box and i want to insert the textbox value to my sql procedure in server and then generate record in the datagrid view ... the parameter in sql server i declare as varchar and actua database column item datatype is nchar.. anyway in what suitable datatype that i have to put in my visual basic for the textbox in order to transfer the vlaue to sql procedure and generate result
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Nov 21, 2007
I have the following IF Statement checking if the function GetNexstAddress (which gets the ClientID from GetClientFleetInfo(i).CLIENTID) . SECONDARYCITY
is there.
If GetNextAddress(GetClientFleetInfo(i).CLIENTID).SECONDARYCITY(0) = Nothing Then
NextAddress = " No next Destination"
Else
[Code].....
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Oct 20, 2011
I have the below code in my app... Nothing is declared as a integer so I dont understand or see where the problem could be... It is saying:
Conversion from string "9838 Co Rd 47" to type 'Integer' is not valid.
The address is flowing through the entire function as a string the only place I think it could be getting changed somehow is in a function call... Below is the function that throws the exception. Followed by the function that returns the address.[code]...
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Dec 2, 2009
I am currently making a project for school and this project is to determent the poker hand, where the user can only check 5 check box and each checkbox represent a card , and when I try to test it and check the box it would let me and this message popped up:
Conversion from string "" to type 'Integer' is not valid.
And the arrow point to this line of code
i = CInt(Mid(strChk, 1, 2))
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Dec 13, 2009
Public Class Form1
Private Sub RealTime_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RealTime.Tick
Real_Sec.Text = DateAndTime.Now.Second
End Sub
Private Sub Real_Sec_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Real_Sec.TextChanged
Sim_Sec.Text = Sim_Sec.Text + 1
If Sim_Sec.Text > 59 Then
Sim_Sec.Text = 0
End If
End Sub
End Class
When the timer is on, it will tell the current seconds in real time, and when the text in the textbox for the Real_Sec changes, it will increment the text or the value in the Simulated seconds... FROM 0... No matter where the seconds are in the real seconds, it will display real or simulated seconds in the sim_sec text box... Starting from 0... But there Real Seconds, because the Timer is not accurate. So I Simulate the Real Seconds. How to write it the right way, it's keeps throwing the error:
An error occurred creating the form. See Exception.InnerException for details. The error is: Conversion from string "" to type 'Double' is not valid.
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Mar 18, 2012
So I'm trying to create a program in Visual Basic for my uni coursework and I'm kinda stumped a tad here. I've created most of it, I just need to write the files to a txt file (in the same folder as the program [bin/debug]).
I'm creating a some kind of employee reference form. Fill in your details, figures out gross pay, net pay and all the taxes an employer has to deal with. When you press Save, the details should all write to a file and I should be able to select from multiple ID's in my combobox for the employee ID reference. If I try to save a file with the same ID number I should get thrown an error. every ID should be saved under the Employee ID box.
Here's my code for the save button:
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click
Dim s As employee = New employee
[Code].....
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Oct 2, 2009
I have a dataset containing a datatable, and I enumerate all rows in that datatable. When trying to format a column in that row, I run into an exception. (Part of) the code is:
For Each dr As DataRow In ds.Tables("records").Rows
file = dr("timestamp").ToString("yyyyMMdd") & "~.wav"
Next
This results in the following error message:
Conversion from string yyyyMMdd to type Integer is not valid. (translated from a Dutch error message to the English equivalent)
dr("timestamp").GetType.FullName results in "System.DateTime", so I don't understand why I run into this exception, as for example Now.ToString("yyyyMMdd") results in "20091002", and "Now" is of the same type as dr("timestamp"), "System.DateTime" that is.
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Jun 25, 2011
I designed a payroll application and I keep getting the error conversion from string to type Integer is not valid.Also when I enter the name in one of the textboxes it reads form and not my name.[code]
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Jul 29, 2010
I am working on a program that has a combobox that gives you selections for email address endings, but when I try to enter it in as part of the final email address get an error. Here is my
mail.To.Add(TextBox1.Text(ComboBox1.Text))
When I click debug, it give me this error. "Conversion from string "@txt.att.net" to type 'Integer' is not valid."
"@txt.att.net" is the value of the combobox selection.
In the end it should be something like: "anything@txt.att.net"
(Textbox1.text = "Anything" & the current ComboBox1.text selection = "@txt.att.net")
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Dec 4, 2011
I have an InputBox where I want someone to input a number. The number would be an integer. The line looks like this amount1 = InputBox("how many?", "how many?")If they click cancel, it errors out because it can't convert blank ("") to an int. How can I do this with InputBox and not get that error?
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Apr 17, 2012
there is one search button to see the report on datagridview using year..so when the more items are there in database correspond it year(say 2012)... the above exception is thrown by filling the datgridview,the problem happens when it tries to connect with crystal report,it shows error...Remember that i face this problem only if there are more records in my database(exactly more than 100 rows)...when i delete few rows from the database,it works fine..I have created a table and added that table to a dataset,then assigned that table1 as datasource for crystal report
[Code]...
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Sep 3, 2009
there is one search button to see the report on datagridview using year..so when the more items are there in database correspond it year(say 2012)... the above exception is thrown by filling the datgridview,the problem happens when it tries to connect with crystal report,it shows error...Remember that i face this problem only if there are more records in my database(exactly more than 100 rows)...when i delete few rows from the database,it works fine..I have created a table and added that table to a dataset,then assigned that table1 as datasource for crystal report
Public Class crystalform1
Dim r As DataRow
Dim t As DataTable
[code]....
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Jun 22, 2010
I have a xml node, which can be shown in immediate window as
?Me.SelectSingleNode("./FloatAmount").InnerText
"100.00"
?typename(Me.SelectSingleNode("./FloatAmount").InnerText)
"String"
However, I want to return a decimal value.
?cdec(Me.SelectSingleNode("./FloatAmount").InnerText)
Run-time exception thrown : System.InvalidCastException - Conversion from string "100.00" to type 'Decimal' is not valid.
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Jan 16, 2011
When I use the included code to position an InputBox over the start of a listbox named lb I get the following message: Conversion from string "Fibonacci Demo" to type 'Integer' is not valid.
The code works ok if I remove the L,T, parameters. If i replace L,T with 100,100, I get the same error message.
Dim MyValue, Msg, Title, DefaultVal As String
dim L as integer, T as integer
Msg = "Enter Value > 2 and < 45 to be evaluated"
Title = "Fibonacci Demo"
DefaultVal = "5"
[Code]...
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Mar 1, 2010
I have 2 forms, frm1 and frm2. frm1 has a combobox, cboLocations and based on what selection is made here, frm2 is loaded and its combobox, cboOffices is populated. I currently have the following code on frm1:
Dim frm2 as New form(cboLocations.SelectedValue.ToString)
frm2.ShowDialog()
When running, I'm getting an InvalidCastException was unhandled...Conversion from string "System.DataDataRowView" to type 'Integer' is not valid." error.
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Jul 15, 2010
I am using .ToString("#,##0.00") to format a number. I'm sure I have used this before but today it doesn't work.I want to format a System.Double value from the datatable like this 12345.6789 to 12,345.68
Code:
myString = dt.Rows(i)("column_name").ToString("#,##0.00")
gives a System.InvalidCastException:Conversion from string "#,##0.00" to type 'Integer' is not valid.
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Dec 14, 2011
Public Class dataLayer
Private Shared connection As OleDb.OleDbConnection
Private Shared Sub connect()
connection = New OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" &
[code]....
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May 26, 2009
I am currently working on a school project that requires me to develop a quote system for a heating company. It needs to include Date/Time, Customers Name, Address and phone number which isn't a problem.It also needs to be able to select different heating options each with specified prices (using a combo box), the price also is affected by how big the house is (using radio buttons - big house or small house). It also has to generate an overall price including GST which is 10%.
I have come up with a design and some code, everything works fine for the first option, however, when i clear the form and then attempt to calculate another quote i get the "Conversion from string "Fixed_Fan_Electric" to type 'Integer' is not valid." The other problem i have is the first option in the combo box calculates correctly and after re-opening the form (to avoid the first issue) i select another option from the combo box, the program is unable to calculate a price for it and just leaves the label blank.
[Code]...
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Aug 25, 2009
Basically I am trying to have it so when they click the save button it changes the timer.interval to what they entered in the textbox.On form load I have it do this.
Timer2.Interval = My.Settings.timer_interval
timertxt.Text = Timer2.Interval / 1000
When they click the save button.
My.Settings.timer_interval = timertxt.Text * 1000
Timer2.Interval = My.Settings.timer_interval
The program works, but it throws an error Conversion from string "" to type 'Integer' is not valid.I understand that the textbox is a string and the Timer Interval is a Integer, make it work without having to click continue after it throws the error.
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May 25, 2012
Im geting a error:InvalidCastException was unhandled by user code Conversion from string "UNITID, INSTNM, ADDR, CITY, STAB" to type 'Integer' is not valid.
Dim
WFSDINSTITUTION As
String
=""
[code]....
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Aug 19, 2009
Many of you are aware I am making a AiO Character Creator for all tabletop RPG games.
My code is:
Private Sub TextBox2_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.TextChanged
Dim totalXP As Double
[Code]......
Error: Conversion from string "" to type 'Integer' is not valid.
Because I am running Windows 7 Ultimate RC 64-bit, would I have to put Int64?
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Mar 13, 2012
My code is coming up with this error " Conversion from string "" to type 'Integer' is not valid.
Public Class Form2
Dim num1 As Integer
Dim num2 As Integer
[code].....
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Jun 17, 2011
I have a random generator with a textbox where the user selects the number of randoms they want from a text file that is loaded into a listbox. I want some code to prevent the user from trying to randomly generate more items than what they entered in the text file. I have a messagebox that informs them they entered a higher number than what is in the file, which appears to work until I hit the backspace key to change the number in the textbox. Then I get this error. "Conversion from string "" to type 'Integer' is not valid." I currently have the code in the textbox, text_changed event, not sure if this is the right place. Basically what I want to do is have the message box pop up to inform the user, then reset the textbox back to empty so the user can choose a new number. I already have a textbox keypress event to only accept numbers, no letters. Not sure if I can combine the code to do both.
Private Sub tbxRandom_KeyPress(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles tbxRandom.KeyPress
'only allows numbers to be entered into tbxrandom textbox
[code]....
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Jul 1, 2011
Trying to insert a record into a db, but I get the following error System.InvalidCastException: Conversion from string "Duck" to type 'Integer' is not valid. ---> System.FormatException: Input string was not in a correct format."Duck" is what I entered into a LNameTextBox.
Here is the code.
Dim myCommand As OleDbCommand = New OleDbCommand("INSERT INTO [Info] ([UIN], [Last Name], [First Name], [Department Code]) VALUES (@UINValue, @LNameValue, @FNameValue, @DeptCodeValue)", myConnection)
myCommand.Parameters.Add("@UINValue", OleDbType.Integer, UINTextBox.Text, "[UIN]")
[code]....
I can't understand why it is trying to converty the Last Name textbox entry to an integer.
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Feb 8, 2009
I am using :
Dim di As DirectoryInfo = New DirectoryInfo(My.Settings.Outgoing(CreateFolderTextBox.Text)) to create a directory
[CODE]......................
But I get the following error: Conversion from string "testfolder" to type 'Integer' is not valid.
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Mar 1, 2010
I have 2 forms, frm1 and frm2. frm1 has a combobox, cboLocations and based on what selection is made here, frm2 is loaded and its combobox, cboOffices is populated. I currently have the following code on frm1:
Dim frm2 as New form(cboLocations.SelectedValue.ToString)
frm2.ShowDialog()
When running, I'm getting an InvalidCastException was unhandled...Conversion from string "System.DataDataRowView" to type 'Integer' is not valid." error.
View 7 Replies
Dec 15, 2010
I am having issues writing this string to my SQL 200 database table:
Conversion from string "" to type 'Integer' is not valid.
How can I ensure that my vb.net app writes the above string exactly as it appears, to the field in the table ?
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