Keeping Data In Datagrid While Displaying Error Message In Label?

Mar 5, 2009

I have 5 textboxes embedded in a datagrid that require a date format (mm/dd/yy), but can be left empty if user doesn't have date.User can poplute these textboxes for multiple records and hit submit button.On the submit i loop through the grid. If dates are populated AND they are in the correct format then I call a stored procedure that inserts the record into a table.If any of the dates that are populated in the textbox is not a date or in the incorrect format I need to display error message in a label.I got all this to work, but if it throws error message all the data in the grid is wiped out.How can i keep data in each textbox and still display the error message?

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Keeping Data In Grid While Displaying Error Message

Mar 5, 2009

I have 5 textboxes embedded in a datagrid that require a date format (mm/dd/yy), but can be left empty if user doesn't have date. User can poplutes these textboxes for multiple records and hit submit button. On the submit i loop through the grid. If dates are populated AND they are in the correct format then I call a stored procedure that inserts the record into a table. If any of the dates that are populated in the textbox is not a date or in the incorrect format I need to display error message in a label. I got all this to work, but if it throws error message all the data in the grid is wiped out.

How can i keep data in each textbox and still display the error message?

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Keeping A Text / Rtb / Label Displaying At End Of Text

Sep 15, 2008

My application outputs log text every so often and I need the user to be able to see the latest text at all times. I've tried a label, a text box and a rich text box, but I can't figure out a way to show the bottom-most text at all times.

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Create .net Dll For Exe Ie Displaying Error In Message Box After Installation?

Sep 24, 2009

I want to create vb.net dll for exe ie displaying error in message box after installation....For example if connection file is not correct after installation then it should display in error message for that db connection is failed.....It should happened after installation....

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Declaration Error Error Message For A Label Control That Already Exists?

May 25, 2009

I dragged and dropped a label control on my web form. But then whe I go to my VB .net code behind file, if I try and set a property on that label control, I am getting a "Declaration Expected" error message for the label I created.Yet if I do try and explicitly declare my label control, the compiler tells me that the label control is already declared.[code]

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DataGridView - Handle ENTER-KEY And Displaying Error Message?

Apr 22, 2009

I have couple of questions with datagridview 1.How to handle the Enter-Key when the user edited the columns value.?I mean, without changing the columns values we can suppress the enter-key by following. No problem. It's working Fine.

Private Sub DataGridView1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles DataGridView1.KeyDown
If e.KeyCode = Keys.Enter Then
Dim numCols As Integer = DataGridView1.ColumnCount
Dim numRows As Integer = DataGridView1.RowCount

[code]....

But after if I select any one column & changed the values then if I press <Enter> it's moving to next row. But I want to move it to next column..

2. With Datagridview - I have a column for date. and it's defaut format is mm/dd/yyyy. But Iam looking to read the date by "dd/mm/yyyy" format. Also if the user feed wrong date format then it has to display my Error message. "INVALID DATE"

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DATA Not Displaying In Datagrid

Oct 15, 2009

It appears my connection to the db is correct when I select different options the datagrid displays the correct number of records. So I am not sure why I can not see the data in the grid.[code]....

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Displaying Same DataGrid With Different Data

Mar 27, 2011

I am attempting to display a datagrid with the results of two different queries. I want one to display, wait two minutes,display the second query, wait again then start over. I am unable to get either grid to display. If I run either query individually without the wait they display perfectly. How can I do this?

[Code]...

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Displaying Data From A Sql Query In A Label?

Jul 28, 2010

I have the following code:

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
Dim connetionString As String
Dim cnn As SqlConnection

[code].....

And I'm trying to display my result from my sql query in the label that I have in my application, but it doesnt seem to work. I get no build errors and the SQL query works on its own.

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DataGrid Not Displaying Data From Source

Jan 12, 2011

Take text data from a small file and display it in a form using a DataGrid.

I am trying to make the program so it will allow the user to choose which file to open (this part already works). I have stepped through the code and found that the rows are being added to the table, but when the action runs to completion my form has no data on it. Here is my code (forgive any code shortcomings as I have exactly three days as a VB.NET programmer).

[code]...

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Displaying Data From A .mdb File In A Datagrid?

Feb 25, 2010

I'm having trouble displaying data from a .mdb file in a datagrid. The snippet I'm using is found here at http:[url].... I'm having trouble with the "Customers" part (the input table/query).how to customize this for the database I'm using? My code is:

Imports System.Data
Imports System.Data.OleDb
Public Class Form1[code]......

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Dynamically Created Label Data Not Displaying?

May 26, 2010

I'm programatically creating labels in programatically-created panels, and have run into an issue--the label's information isn't completely showing! COnsistently only the first few characters are consistently displayed. I've tried bringtofront, but it doesn't work at all. And the characters stop well short of the panel barrier--does anyone know what to do about this? I used messagebox.show(labelname.text) to make sure it wasn't working properly, and sure enough all the characters I want are in the label, but aren't appearing.

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Datagrid Keeps Displaying Previously Entered Data?

Jun 19, 2012

I'm having this weird problem with my windows application, I have fields for entering data into an underlying access database, my problem is after clicking the submit button upon entering the first data it shows neatly in the datagrid but subsequent data entered repeats what was initially entered into the datagrid.

Private Sub BtnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSubmit.Click
'Sets Null Fields to 0

[Code].....

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VS 2010 Displaying Data In A Datagrid From Sql Query?

Jun 13, 2012

I have a datagrid where i am entering numeric values. at design time, i have set the format for each column to C2. So at run time, When i am entering the values, it is being set in the current format. When i am displaying data from sql, instead of showing 400.00, it is showing only 400.

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DataGrid - Show Message When No Data Entered By User

Jun 23, 2011

I am trying to show message when user didn't enter any data in datagrid and click on save button it should display message please enter the required fields but I am using this code for this purpose.

For Each cell As DataGridViewCell In DataGridView1.Rows(DataGridView1.RowCount - 1).Cells
If cell.Value Is Nothing OrElse cell.Value.ToString = String.Empty Then
MessageBox.Show("Please Enter the Required Field(s)!", "ITPCHR", MessageBoxButtons.OK, MessageBoxIcon.Stop)
Exit Sub
[Code] .....

When I click on save button without entering data it give me message please enter the required fields but when I enter the data in datagrid it didn't save data and gives same message please enter the required fields.

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Update Data Using Parameters - Error Message

Aug 30, 2011

I have a problem regarding to my Update data the message error show Syntax error near set LastName I already check my code but i dont know what is the error this is my code:

Dim sqlcmd As New SqlClient.SqlCommand
With sqlcmd.Parameters
.Add(New SqlParameter("@Id", lblid.Text))
.Add(New SqlParameter("@LastName", txtlastname.Text))
.Add(New SqlParameter("@FirstName", txtfirstname.Text))
[Code] .....

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Saving Data To SQL - Get The Error Message. "SqlException Was Unhandled?

Mar 30, 2012

I'm I created a SQL Compact database for a program I'm working on and built the tables and forms. I'm trying to add the values entered into the textbox in to my SQL DB, but I keep getting the following Error Message.

"SqlException was unhandled:

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified)" Below is my code....Its erroing at the cnx.open()

Private Sub btnSend_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSend.Click
Dim cnx = New SqlConnection(My.Settings.TestDBConnectionString)
Dim sQuery = "INSERT INTO tblMain (Date) VALUES (@Date)"[code]......

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VS 2005 Error Message When Load The Data Into A Listbox And The Value In The Table Is NULL

Mar 31, 2009

an error message when I am trying to load the data into a listbox and the value in the table is NULL. I am new in programming and I am using vb2005 Here is my

[Code]...

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Displaying A Message Box In .NET?

Feb 1, 2010

I am trying to display a message box in VB.NET. This should be simple but I cannot get it to work. I have coded in VB before and used MsgBox("Message") but in VB.NET i understand its MessageBox.Show("Message") but i cannot get it to work. Its saying MessageBox is not declared but what do you declare a message box as?

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Message Box Not Displaying?

Nov 13, 2009

I have a simple message box and it's not displaying when i run my subroutine. I debugged to verify that it's going into the code and it does; however, the message box just doesn't display and I don't know why.

here's the part of the subroutine that the message box is in:
<code>
If bSuccess = True Then

[code].....

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Displaying Message On A Computer Over LAN?

Nov 23, 2010

How can I display a message (Using vb.net) on a computer that is attached through LAN?Can I use IP Address of that computer: How?

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VS 2005 Displaying A Message Box?

Aug 5, 2009

I have an amount field which is declared as type integer in the databaseHere lies the code that i did for insertion into the database:

Dim num As Integer
If Integer.TryParse(TextBox2.Text, num) Then
cmd.Parameters.AddWithValue("@amount", num)

[code].....

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VS 2010 Displaying A Message Box?

May 4, 2012

I am querying a db based on some conditions and then I am putting these data in a text file. This is done by a for Loop. Is it possible to have some message box telling that data1 is being copied, data2 is being copied, etc. Some kind of dynamic textbox, telling what is being done at the background.

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Error Message: Rows Cannot Be Programmatically Added To DataGridView's Row Collection When The Control Is Data-bound

Sep 1, 2010

I have DataGridView display Customers Details. The DataSource are from DataSet. After the user have created a new customer record and updated the SQL SERVER Table, Instread of refreshing the whole DataGridView I am trying to add new rows with data from the TEXTBOX into the DataGridView and it generated this error message: Rows cannot be programmatically added to DataGridView's row collection when the control is data-bound This is the coding which the error was generated from:

Private Sub FRefreshDataGridViewRow()
'use strmode to determine New or Edit existing record
Dim strCell1 As String = CType(Me.txtCustId.Text, String)
Dim strCell2 As String = CType(Me.txtCompName.Text, String)

[code].....

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System.Data.OleDb.OleDbException: No Error Message Available - Result Code: E_FAIL (0X80004005)

Jun 12, 2009

I am creating a application in VB.net. I've just managed to get a mssql connection going with the many people on this forum. I am now trying to establish a connection with Sybase server/db. Upon entering the username and password from my application front end, I get the following message:

[Code]...

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System.Data.OleDb.OleDbException: No Error Message Available, Result Code: E_FAIL (0X80004005)?

Mar 30, 2009

I am creating a application in VB.net. I've just managed to get a mssql connection going with the rom many people on this forum. I am now trying to establish a connection with Sybase server/db. Upon entering the username and password from my application front end, I get the following message:

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Vague Error Message In A .net Windows Application Concerning System.Data.SqlClient.SqlClientPermission With The Intranet

Jun 4, 2009

I am working on a windows application in vb.net 2005 and it needs to connect to the SQL Server database. In this example I testing if the connection is able to open properly:

[Code]...

Is it something dealing with the permissions set with the database server or something? I am new at .NET programming and I have been spinning my wheels on this for the past couple of days and I am at a loss. From what I research, this error should only occur if I was creating a web program, but I am not. It is a windows application.

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Action Before Displaying The Message Box, Winforms?

Apr 11, 2011

I always useMe.Cursor = Cursors.WaitCursorfor a time taking functions like hitting the DB.Now if any exception occurs, I'll display the error message as:Msgbox(ex.Message)So before displaying any message, I need to reset the cursor to default.Is there a simple way to do it at in one place instead of writing it in all catch blocks.

Is there a way to inherit MessageBox class and override the functions?Other wise I need to code it in all the catch blocks or handle all the exceptions at one place which I don't want to modify the whole application now.

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Create An Error Message By Message Box To Tell The User To Enter A Number Only If They Key In A Character Value?

Feb 22, 2009

how to create an error message by message box to tell the user to enter a number only if they key in a character value?

I MEAN AFTER THEY PRESS THE CALCULATE BUTTON

Private Sub btnCalcFat_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnCalcFat.Click
Dim intFat As Integer
intFat = Integer.Parse(txtFat.Text)
lblResultDisplay.Text = txtFat.Text * 9
End Sub

My text box is call txtFat

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DB/Reporting :: Data Conversion Error When Showing Dates In A DataGrid View

Dec 26, 2008

I am using Visual Basic 2008, and SQL Server 2005. I have a single-user client-server app (i know that sounds stupid, but its for future expandibility and also the fact that documentation was easier to find for SQL server than Access files).The app is basically a medicals records system.

In one of the tables, called 'visits', it stores the dates on which each patient visits the doctor, among other things like symptoms and diagnosis. Another table stores all the patient names and IDs along with other details, and a relation has been set up between the patient ID in the patients table and the visits table. So i dragged the visits table from within the patients table (to get only the visits for that particular patient), and dragged it onto the form to make a datagridview. However, the datagridview didn't seem to recognise MS SQL server's smalldatetime format, and tried representing it as a picture. When i changed the format of the column to text boxes, it gave me a type mismatch error (Inconvertible type mismatch between SourceColumn 'VisitDate' of DateTime and the DataColumn 'VisitDate' of Byte[].) That means, for some reason, it is trying to convert the smalldatetime data to byte before it shows it, which is leading to the error. How do i fix this?

Also, I remember seeing some option for using completely custom column types in the datagridview, but i cant seem to find it now. The options in 'Edit Columns' are very limited, but i would like to set it to a masked text box, or something with a fixed format. Can someone recommend a good column type for representing dates, and how to make the datagridview show that kinda column?

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