ASP.NET 2.0: Cannot Convert VarChar To Int
Aug 21, 2009I have an ASP.Net form, where it grabs a value from a textbox:
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I have an ASP.Net form, where it grabs a value from a textbox:
[Code]...
I got the dates stored as varchar(100). I need to get them sorted when I use these records but I can't now because they are not stored as datetime. Is there any other way to sort dates or if somebody know would I loose my data if I would try to convert the column from varchar(100) to datetime now as it holds my dates or maybe it would convert ok?
View 33 RepliesI am using an INSERT INTO statement and one of my database variables is a varchar(51). Can a string be directly stored as a varchar or do I need to convert this to something else beforehand?
View 1 RepliesI'm trying to execute a MySQLCommand like so[code]...
It seems to be something to do with the "size" parameter, but I don't see what is wrong with it.
How can i increment varchar in vb.net 2010?.
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I have a textbox where I can enter a number. If the number exists in my sql database then it would change the label accordingly. It seems to work with any input number except for numbers starting with zero. If I input a number starting with zero(012345678) I get the error: Arithmetic Overflow error converting varchar to data type numeric.
Imports System.Data.SqlClient
Public Class ValidateForm
Private Sub MineralCloseButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MineralCloseButton.Click
[Code]......
I am trying to create stored procedure that gone return varchar value, and that value I need to display in textbox. This is the code for stored procedure:
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I'm trying to insert a string that contains a comma into a varchar in vb.net. How do I make the insert statement I'm building understand that I want "X,Y" to be in the varchar and not X in the varchar and Y in the next column?
View 1 Repliesim making this simple app and i want to know
Let the user add collums?
let the user remove collums?
let the user delete rows?
how to change the the varchar of a row?
how to save the data of the varchar in the settings?
how do i search a varchar field in a sql database and get rid of the char unless it is an number 0 thru 9 and then add that number to the monthly calendar todays date to determine a due date?
View 4 RepliesMy mssql database:
id(int)
dt(varchar)
txt(varchar)
i stored dates on dt column as varchar. How to i select data by datetimepicker like:select * from table where date='"+datetimepicker.value+"'
with linq to sql(dbml file), how to get the size of a datatype?
for an example, varchar(50), how to get that 50?
The code:
strSql = "insert into table2 (transactiondate) values ('" & transactiondate & "')"
seems to be giving me the runtime error:
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I've got an unusual error regarding converting a varchar to numeric. I have code which goes through and adds the data to the database. When the code attempts to add the new data to the database, an error message appears highlighting the following line of code:
check = cmdCDQAssets.ExecuteReader.RecordsAffected
I am working with SQL and Vb.net. When I run the following function (shown below) an error is highlighted "Error converting varchar to numeric". Whats wrong with the coding that triggers the error..
Dim query As String
Dim cmd As New SqlCommand
Dim irow As Integer
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Here is some code I use for creating a table and the data adpater for it...
vb
Dim cmdString As String = String.Format("CREATE TABLE {0} (" & _
"EventID INT IDENTITY(1,1) NOT NULL, " & _
[code]....
My Data base a a column called BIG VarChar(MAX).I can't find a SqlDbType for my paramter definition in VB.net that matches it.VarChar with no size compiles but does not work.Var Char(MAX) does not compile.
View 2 RepliesIam using sql server 2008. While saving time Iam getting trouble to show the size for varchar(max) field...
From the below Item_Description is Varchar(Max)
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Error converting data type varchar to datetime.rtfI am trying to learn ASP.NET using ASP.NET 1.1 with SQL Server 2000 for the database. I have created a Stored Procedure in SQL Server 2000 and the procedure to execute the Stored Procedure is in ASP.NET 1.1. The problem is that when I try to save a record, the date field returns the above error. I have ried to use the several solutions on the web without getting one to solve the problem.I am attaching the Stored Procedure as well as the ASP.NET code for some advice. I am also attached a word document containing the two procedures.
View 5 RepliesWhen I try to close my form it gives me the following error; Error converting data type varchar to numeric. I have only one field which is numeric - ProjectID, and when I close this form sometimes this txtProjectID is empty and this calls the error. But if there is a number in the txtProjectID it closes fine.
View 3 RepliesI am getting the error Error converting data type varchar to numeri when trying to save some of the information that is entered in a textbox to my sql server 2005 database. HEre is the code for my insert statement.
'declare your variables
Dim FirstName, LastName, Comments, MRN
Dim sConnString, connection, sSQL [code]......
I got the following error , when i am trying to insert data into the table and having the image type field.Operand type clash: image is incompatible with varchar(max)
View 1 Repliesi need a functionality that adodb.recordset have on ado.net right now im developing my project in school but seem to difficult for me to handle give me an idea what should im going to use here can i hindrance that made me stock.i what to retrieve the last row on the database to be able to automate my primary key code that been a varchar(10).i know some basic stuff on connecting thru ado.net,inserting,updating,deleting could you have some advice or post some example that might use of it..
View 7 RepliesIm having an issue with a Stored Procedure I have written,I can call it in management studio and it works fine, yet calling it from my codebehind gives this error The conversion of a varchar data type to a datetime data type resulted in an out-of-range value. when i call da.Fill(dt)What is really puzzling me here is that I dont actually convert anything from varchar to datetime, the most I do with the date variables is format them into a different datetime format.
My VB.Net code
Private Function dbGetEvents(ByVal start As DateTime, ByVal days As Integer) As DataTable
Dim dt As New DataTable()[code].....
I cant see where this error could be coming from, having tested running it in SQL management studio without error I am pretty sure the error is in the VB.My first thought was that maybe the parameter I am passing in the @start / @end values arent being recognised as DateTime so I tried adding the parameters like:
Dim p As New SqlParameter
p.SqlDbType = SqlDbType.DateTime
p.ParameterName = "@start"[code]....
In newer editions of .Net I can pass -1 for the output size for VarChar(Max) columns, but in Visual Studio 2003 I get the following System.ArgumentException: Invalid parameter Size value '-1'. The value must be greater than or equal to 0. What should I specify as the size for a VarChar(Max) column in Visual Studio 2003?
View 1 RepliesI am developing a Windows application for restoring specific databases from our Production platform to "field" tablets by using backups that are taken daily to disk. To preclude "orphaned users" on the tablets, I want to extract the "user name", "password" (hashed) and "sid".I am calling the MS Stored Procedure "revlogin" that produces screen text to copy and paste into a query to recreate those users on another SQL server instance.
IF (@denylogin = 1)
BEGIN -- login is denied access
SET @tmpstr = @tmpstr + '; DENY CONNECT SQL TO ' + QUOTENAME( @name )
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I'm pulling records from a db table (sybase) where I have run into a problem with a long varchar field. Using the OLEdb class I convert the field into a string variable which works fine in most cases, but there are problem with a few records. Examining the field in the database it shows that the value is not null, but the length of the field is 0.(SELECT field, length(field) FROM table). When I try to convert this into a string the result is rubbish.strContent = objReader.Item(i). I can't figure out what's the problem here, so I have avoided the issue by doing a table update before I start the process of getting data (I set the field value to null if field.length = 0
View 3 RepliesHow Can I determine if my data table column is varchar or nvarchar?
View 1 RepliesI am trying to create stored procedure that gone return varchar value, and that value I need to display in textbox.This is the code for stored procedure:
Create PROCEDURE Status @id_doc int, @Name varchar(50) OUTPUT
AS
select @Name =items.name
from Doc,Items where @id_doc=IDN and doc.IDN=Items.ID
return @Name
This is the code in vb.net where i need to display returned value from procedure in textbox:
Public Sub Current()
Dim dtc As New Data.DataTable
Dim dr As SqlClient.SqlDataReader
[code]....
When I try to execute this code I get this message in exception:
"Conversion failed when converting the varchar value 'Blue color' to data type int."
Im getting that error in the da.Fill(ds)
Imports System.IO Imports System.Data.SqlClient
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