Index And Length Must Refer To A Location Within The String. Parameter Name: Length Exception

Feb 17, 2011

am getting the above exception while swaping Items in the list(lstRoutePriority).PFB my code

if (lstRoutePriority.SelectedIndex > 0)
{
//Swap the two items

[Code].....

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Substring - Error: Index And Length Must Refer To A Location Within The String. Parameter Name: Length

Apr 17, 2009

this is not working?

[Code]...

End WhileI am trying to read from the ": " to the end of the line. I keep getting this error: Index and length must refer to a location within the string. Parameter name: length

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Output Error "Index And Length Must Refer To A Location Within The String. Parameter Name: Length" With Substring

Mar 23, 2009

"Index and length must refer to a location within the string. Parameter name: length" whenever I run this code

[Code]...

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Substring Size - "Index And Length Must Refer To A Location Within The String. Parameter Name: Length"

Jul 21, 2010

If using the following in an if statement I get an error: If trg.Name.Substring(4, 6).ToUpper <> ("ABCDEF") Then I get the error: "Index and length must refer to a location within the string. Parameter name: length"

I assume this is because the string (trg.name) is too small for the 4, 6 substring. What would be the correct method of working around this problem? VB.net Studio 2008.

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Index And Length Must Refer To A Location Within The String?

Jul 7, 2009

why this error happens with a bit of code i was trying? The code is actually intended to be for an onclick event, so it actually works there.

But im just curious as to why it errors as an onchange event. This is 9am pre-caffeine, so the reason is probably starring me in the face! On a form i have a text box, and a combo box. The combo box has various options in it, natch. Its a search form, which then fills a gridview with the results.

Drop down list options are: home number, mobile number, post code, Name, DOB

I thought id try and be "clever" and do away with the need for the combo box. Since a mobile number begins with "07", names are just characters, postcodes are character character number, and home number is all numbers and doesent begin with "07", and date of birth has /'s in it.

So i tried this to test the idea:

Private Sub AppSearchTB_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AppSearchTB.TextChanged
Dim TLength As Integer = 2

[Code]....

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Index And Length Must Refer To Location Within String?

Sep 13, 2011

I am trying to get the first 50 letters, so I used the subString function to get it. As you can see, I used this code to get it:
<%# Eval("BannerDescription").ToString.Substring(1, 50)%>

But unfortunately it's not working and an error message is coming up:
Index and length must refer to a location within the string.
Because the user is the one who is controlling the data entry! Some times he gonna enter 10 letters other times maybe 1000 letter?

I tried them all but can we use it this way :
<%# IIf(Eval("BannerDescription").ToString().Length > 49, Eval("BannerDescription").ToString().Substring(0, 49), Eval("BannerDescription"))%>

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Getting The Error Saying That Index And Length Must Refer To A Location Within The String

Mar 1, 2009

I keep getting the error saying that index and length must refer to a location within the string.

Public Class MainForm
Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
Dim description As String = String.Empty
Dim invCount As String = String.Empty

[code]....

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VS 2008 Index And Length Must Refer To A Location Within The String?

Sep 28, 2009

Dim Phone as string = "478-742-4050 478-256-6550"
If _Phone.Length > 25 Then
_Phone = IsNull(ReturnValue.Substring(0, 25).ToString, "")
End If
Return _Phone

Error: "Index and length must refer to a location within the string. Parameter name: length"

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VS 2005 Error:Index And Length Must Refer To A Location Within The String?

Sep 7, 2009

why error "Index and length must refer to a location within the string."appear when the process of the program is going to executeNonQuery, i'm looking the error for 2 day's i still can't find it.

[Code]...

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VS 2008 ArgumentOutOfRangeException - Index And Length Must Refer To A Location Within The String

Jun 23, 2009

I got this error and I don't know what should I do. Index and length must refer to a location within the string. Parameter name: length That's the line that i get the error on:

[Code]...

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VS 2005 Uploading Error: Index And Length Must Refer To A Location Within The String

Oct 12, 2009

why when i upload less than 10 item the program do but more than it like 15 and above the program give me error saying "Index and length must refer to a location within the string."

here is my codes below

For Each myDatarow In tblLocal.Select("sync ='0'") '
' tblServer.ImportRow(myDatarow)
' dataimpt = myDatarow.Item(4).ToString

[Code].....

the error appear when the program is going to update the 14th data... meaning from 1st to 13th data program works in the 14th it's not it gives me error "Index and length must refer to a location within the string

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VS 2008 Error Message: Index And Length Must Refer To A Location Within The String

Oct 15, 2010

I'm working on a vb.net project, when I execute the project I get the following error message: "error message: index and length must refer to a location within the string"

Public Sub New(ByVal lineIn As String)
parent = Trim(lineIn.Substring(0, colStarts(1)))
enfant = Trim(lineIn.Substring(colStarts(1), colStarts(2) - colStarts(1)))
des_F = Trim(lineIn.Substring(colStarts(2), colStarts(3) - colStarts(2)))

[Code]...

I get the error msg in the line marked bold. When i checked the input file, the length of all the fields looks fine. I dont understand the cause of this error.

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Error: Index And Length Must Refer To A Location?

Dec 21, 2008

im basically working on my final years project on the vb.net with the ilog business rules. i have trouble solving this error :Index and length must refer to a location within the string. Parameter name: length And the output show this :[size=2]

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SubString Function - Index And Length Must Refer To Location

Feb 13, 2012

Consider the Statement:
Dim pstr As String
FileOpen(2, pfilepath, OpenMode.Input)
pstr = LineInput(2)
pstr = pstr.Substring(13, pstr.Length)
Label1.Text = pstr
FileClose(2)
And it is Giving me the following error:
Index and length must refer to a location within the string. Parameter name: length.

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Ndex And Length Must Refer To A Location Within String

Aug 10, 2009

I was trying to make a simple program to search in my mysql db, but i'm seeing this error :{"Index and length must refer to a location within the string. Parameter name: length"}[code]

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Index And Count Must Refer To Location Within String

Mar 29, 2011

numberofchar = timefull.Length
If timefull = "" Then
Else
If numberofchar = 11 Then
timefull = timefull.Remove(2, 9) ' isolate the hour depends on number of digits in hour parameter
Else
timefull = timefull.Remove(1, 9)
End If
End If
This is my code, it doesn't work when I copy into form load. But when I try it in another form, it works. Index and count must refer to a location within the string. Parameter name: count

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Dynamically Create Array Based On String Length Property and Index Of Method

May 4, 2009

I would like to format output to a property of a custom control I have made.For instance I have a literal control in my control and when populated I want to check if it is longer than 30 characters long, if so, then go to the next space (as to not cut the word off) after the 30th character and place a <br /> tag in to place the next 30 characters on the next line.So if there were 100 characters in a string, there would be 3 line breaks in the label.I have the looping worked out to get the label populated but cannot get how to dymaically create the array based on the string lenth property and index of method.

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Length Cannot Be Less Than Zero. Parameter Name: Length

Jan 31, 2012

When I load in the file to my program.

GPRS: 232154,456464,546
IP Addr: 123.456.2.789,9001
Interval: 12.5422

It appear Length cannot be less than zero. Parameter name: length.

My program is...

Private Sub Loadbtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Loadbtn.Click
'Dim strFileName As String

[Code]....

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Index And Length Error

Dec 9, 2010

I keep getting the error saying that index and length must refer to a location within the string. I am sure there is just something minor that I am missing but I am having a difficult time figuring it out.

CODE:

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Convert Character Length To Pixel Length?

Jan 6, 2010

I have a field displaying on a datagrid that the user has asked to be variable length based on the data that is returned. Is there an easy way to determine how many characters are returned for a field and then converting that to a pixel length so that I can change the length of the field in the code.

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C# - What 'length' Parameter Should I Pass To SqlDataReader.GetBytes()?

Feb 7, 2011

I have a SqlDataReader and need to read a varbinary(max) column from it using the SqlDataReader.GetBytes() method. This method populates a byte array and therefore needs to know what length of data to read.This is where I get confused.. Clearly I want to read all the data that has been returned from the database in this row/column so what 'length' parameter should I pass?As far as I can see, the SqlDataReader doesn't provide any methods to discover what length of data is available, therefore this method seems fairly awkward to me.I'm tempted to just pass int.MaxValue here and forget about the issue but something about this doesn't sit right with me.

I am aware that I can instead call

byte[] value = (byte[])dataReader["columnName"];

.. and this seems to completely take care of the length issue internally. However I am working with a set of complicated code generation templates that have been built around the SqlDataReader.GetXXXX() methods. So I am tied into using GetBytes and need to understand its proper usage.

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C# - What 'length' Parameter Should Pass To SqlDataReader.GetBytes()

Jun 21, 2012

I have a SqlDataReader and need to read a varbinary(max) column from it using the SqlDataReader.GetBytes() method. This method populates a byte array and therefore needs to know what length of data to read.This is where I get confused.. Clearly I want to read all the data that has been returned from the database in this row/column so what 'length' parameter should I pass?As far as I can see, the SqlDataReader doesn't provide any methods to discover what length of data is available, therefore this method seems fairly awkward to me.I'm tempted to just pass int.MaxValue here and forget about the issue but something about this doesn't sit right with me.

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ObservableCollection.Insert On Index Bigger Than Length Of Collection

Mar 15, 2012

I'm wondering, what happens when you do following:

Collection.Insert(55, "Input")

The collection contains 20 items, so 19 would be the last index. This doesn't work, I get the expected outofrangeException. But when I do :

Collection.Insert(20, "Input")

That works without a problem, even though it is 1 out of the collection.

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Substring Give Error - Says Index And Location Must Refert To A Location Withing String

Oct 22, 2011

I got a error when I run this code:

Dim btch As String
Dim LeftPart As String

[CODE]...

It says index and location must refert to a location withing string

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Counting The Length Of A String?

Oct 29, 2009

How can I count the length of a string and also how many special characters are in the strings.

For instance if I have this string: $how*

How can I count that string is 5 chars long and that there are 2 special characters in the string. (special characters are the $ and

I think that I am going to have to use the .length method to count the length of the string.

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Field Cannot Be A Zero-length String

Mar 2, 2012

i had the code belowing workin fine before but all of a suden i have a error init

[Code]...

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How To Get String Length Of ReadData

Apr 6, 2011

I was trying to grab the string length of readData but when I try msgbox (readData.Length),
its giving me a large numeric digit instead.
Dim readData as string
serverStream.Read(inStream, 0, buffSize)
Dim returndata As String = _
System.Text.Encoding.ASCII.GetString(inStream)
readData = "" + returndata
msg()

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Set Max String Length In A Class?

Mar 2, 2009

Is there any way to set max string length in a class used in a VB.NET web service so it gets into the WSDL as a maxLength attribute?

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Setting The String Length ?

Apr 15, 2010

With setting the string length. I have got a streamreader reading from a .doc file into a listbox and then i want to set the string length of how long it to be and then if longer to go to the next line so it will fit in the listbox as the listbox you cant scroll accross but you can up and down.

Ive done this so far:

Try
Dim file_name As String = "K:\Uni\Year 2\Visual Basic\Report\MSDN\Absolute Beginner's Series VB Lesson 1\01 VB Lesson Transcript.doc"

[CODE]........................

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String Length Not Working?

Jul 16, 2009

I have the below code that if there is no .wav file in the current directory then it goes to the default windowsmedia directory to play a random .wav file.

But for some reason if there is no file in the current folder it will not go to the windowsmedia folder, do I have something wrong?

Dim FileNames As String() = System.IO.Directory.GetFiles(".", "*.wav")
Dim FileNames2 As String() = System.IO.Directory.GetFiles("C:WindowsMedia", "*.wav")

[Code]....

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