I am trying to display an excel spreadsheet on a page using datagrid, but for some reason it is filtering out some of the cells, leaving a blank space instead. Also, the "$" sign won't show up in most of the columns.Could someone please take a look at my site and file, and give a suggestion as to why this would be happening? I've tried a bunch of troubleshooting on it, with no success.
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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]....
View 4 RepliesUsing SQL Express 2008, I have tables with the following columns[code]...
View 7 RepliesI 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?
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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).
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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]......
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
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I have populated a dataset with the contents of a csv file. Here is a sample of the imported data:
Protocol,Process ID,Process Name,Local Address,Local Port,Remote Address,Remote Port,Status
TCP,4,SYSTEM,134.190.220.54,4505,134.190.184.193,139,ESTABLISHED
TCP,4,SYSTEM,134.190.220.54,3963,134.190.218.5,139,ESTABLISHED
TCP,4,SYSTEM,134.190.220.54,3816,134.190.176.154,445,ESTABLISHED
Here is the code that I used to import and display the data:
Code:
Dim sConnectionString2 As String
sConnectionString2 = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" _
& CasePath & ";Extended Properties=""text;HDR=Yes;FMT=Delimited"""
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The problem is, all of the data gets displayed correctly except for the ip address. It gets truncated to "134.1892". How can I change the formatting for the "Local Address" and "Remote Address" columns.
I've tried a few different methods I could find in order to connect my VB .NET program to a book store's database. While I've been able to connect to it and display the contents of its tables in a DataGrid, I need to be able to search the tables and display specific records, depending on the contents of appropriate the adjacent text boxes.[code]This is a code I've used for a very similar process, just really aims to search a different field in the table. If this is easier to adapt into a code that allows searching and producing specific records in a database, please use this one.
View 2 RepliesI 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.
View 15 RepliesI'm trying to copy a Range from Excel and Paste the information in powerpoint in either the HTML or the default format, however, I am having some difficulties. I am able to get the code to work for pasting the Range as an OLE Object but nothing else. The problem with doing this is that having the embedded excel documents in the powerpoint makes the file extremely large and unstable. I just need to be able to paste the information without the embedded information where it is editable (so, not as a bitmap or picture).
With ppt2Slide
Sheets(index2).Activate
Range("CP12:CT" & RangeIndex2).Copy
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I have a datagrid displaying details from a sequential text file. I need to have a button to search through this textfile and display only that line of data in my datagrid. I am using an input box to enter the persons name they wish to search for. The datafile contains several lines of info like : John, Murphy, 35, etc.
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I am trying to display the contents from a datagrid into a textbox, there are two collums that I want to display. I can get one collum to display by using the following code.
txtCollumone.Text = DataGridView3.CurrentCell.Value
but I want to display (from the same row), collum two.
I want to change the default behaviour of headers in a datagrid. By default, if the sum of all column's width is lower than datagrid's width, then background color appears on the header and I want to keep it just like header's color, as ListView does. I've attached an image to show you in a better way what I want.
View 3 RepliesI have in my database a table for Products with one field as Price. For each invoice i want to be able to change this default price, so in my table for Invoice Details I have made another field called Price1. When I am entering invoice details and i enter a product number i want my program to select the relevent default 'Price' and insert it into 'Price1' so that it will be editable and so it can be saved to my database.
View 2 RepliesI 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?
View 1 RepliesI would like to develop a VB.net application that includes VB.net datagrid displaying records with Checkbox in the grid operation.Also would like to learn, available datagridview options/events for more friendly programing with VB.Net datagrid.
View 2 RepliesI am trying to write a program that will display an excel spreadsheet in Visual Basic. My goal is for the program to display this Work Order Form I have designed in excel and to modify user, date and auto assign a work order number. After that is done I would like to print the excel form. So I guess my questions are:
- How can I display an excel spreadsheet in win forms
- How can I print the spread sheet after it is modified
- Is there a better way I should be doing this
Basically the cells are displayed from Excel to the Visual Basic form, but once I press a button on the form to display the spreadsheet which contains the cell info, the spreadsheet won't display at all. (This I think is because the link has subsequently already called Excel). I've looked at the Task Manager and copies of Excel are already in the process, once these are deleted the spreadsheet can display from being pressed from a button on the form. How can I override this deletion method from the task manager so that the spreadsheet always displays properly from the form.
View 1 RepliesI have Excel 2003 and 2007 loaded on my computer. When I open an Excel file, it is defaulting to 2003. How do I check to see what the default program is for opening xls files and change this to 2007 in my code? I have already done the following manually:
1-Open My Computer
2-Go to Tools --Folder options
3-Click the File Types tab
4-Scroll down to the XLS file type and highlight it
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However I am not convince that its defaulting to Excel 2007 when I run projects in VB as I am seeing the "File Conversion" prompt when file are open.
I'm trying to Export Data from a Data grid to Excel, Does any one of you have a Code to do that?
View 10 Repliesdoes anyone know how to transfer all the data's of datagrid to excel sheet? data's in my datagrid is not all come from my database/recordset... i have two columns of data's coming from textbox.
View 1 Repliesexporting a datagrid to Excel for the last few days. I have found quite a few, mostly done through C and the ones I have found using VB have not worked out. Would anyone have a link to a good tutorial online for exporting a datagrid using vb.net? My college project is approaching its deadline quick enough.
View 7 RepliesI am using the written below code for exporting datagrid view to excel . My DatagridView has 17 columns and 2000 rows . The code i am using takes a very long time for exporting data . Is there any other way to do it fast.
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of code to transfer from a datagridview to Excel.I used to convert to adodb and do it that way, but I'm trying to get away from activex.o... I made the following method: It takes about 45 seconds to run. It also locks out my application's gui thread for that time period and it would be nice to also run this as a seperate thread...Can this go any faster? The background colors are important to the person I'm doing this for
Public Shared Sub toExcel(ByRef DGV As DataGridView, ByVal Name As String, ByVal lastSaved As String)
Dim rowNo1 As Integer
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this is my code for exporting datagrid to excel
Dim strFileName As String
' Create a dialog box to find the excel file
Dim dlg As New Windows.Forms.SaveFileDialog()
dlg.Filter = "Excel Files (*.xls)|*.xls"
dlg.FilterIndex = 0
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This is what i do, i first export the data to excel then i import that excel file to another datagrid, this is just for testing cuz i will be getting excels from another computer same program, anyways, there are 2 columns that wheni import the excel file, it doesnt read it it shows in datagrid with no value,empty cell, i dont know why, because in excel the values are there, and all of them are strings sometimes it contains numbers, but theyre manage as string.
I added the images of excel file after i export the datagrid
and image of datagrid after i import that excel file NOTE THE EXCEL VALUES IN EXCEL< and empty in DATAGRID
I don't know how exactly it is called but I look for a function like in Excel when I write e.g. in the first cell a 1 and then pull the field down with my mouse and it automatically completes the following cells like that:
1
2
3
Is it possible to this in VB.Net and how except that I have to add every time one I have no idea.
I am working on exporting some data to a DataGrid (with no luck). So far I have:
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When this runs, I get an error message that says: System.Data.OleDb.OleDbException: The Microsoft Jet database engine could not find the object 'Sheet'. Make sure the object exists and that you spell its name and the path name correctly. The excel file has only one sheet that is named "Sheet", and the location specified in the connection line is correct. Any ideas on why this may be happening?
This code works well however when data is exported to excel in one field some values are wrong. Instead for example populating 16-12-19 it populates 43815, 01-03-99 it populates 36220. Again, if the sort code is like 20-72-68 or 60-01-22 it is populated the same way, which is correct. If the value is a date lookalike then this problem appears, but if not then the exact value as displayed on the grid is shown in excel.
I inserted the code (highlighted in red) to set all the fields as text values. Right, it is exported and when excel spreadsheet is opened the field property is text, but the problem still exists. Why doesn't excel display it as it is displayed on the datagrid and database, instead of changing it even when set text.
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I am working with Vb.net and this code below works fine. However, when I review the data exported to excel I have a problem with one particular field i.e., sort code. Sort code in the database is in the format 00-00-00. Therefore if it is 12-11-09 or 11-01-66, a look alike of a valid date it is disaplyed as 12/11/2009 and 11/01/1966 in excel after the export. Excel thinks its a date which is incorrect. I expect it to show 12-11-09 and 11-01-66.
Private Sub ExporttoExcel()
'verfying the datagridview having data or not
If ((DgvQuarCommit.Columns.Count = 0) Or (DgvQuarCommit.Rows.Count = 0)) Then
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