How do i use Variables as the values to insert into the SQL table. I tryed:
Dim cnnConnection As New SqlConnection("Data Source=.SQLEXPRESS;AttachDbFilename=" & Application.StartupPath & "DatabaseRecords.mdf;Integrated Security=True;User Instance=True")
Dim ImportValuetoSQL As String = 1
Dim cmd As New SqlCommand
[code]....
I have Dataset ds filled up with values Until now I was displaying values in GridView. Now I want that all the rows should be columns and columns should be rows.I have 2 options: Either 1 I can directly convert grid to columns and display it, or 2 I can convert the GridView to html and then write loops to convert. I was trying the 2nd option but I cant figure out how I should do that.[code]With this code I am still getting same as GridView. Please help me for converting rows to columns and vice versa.
View 1 Replieswhen populating a data grid i keep getting a redundant row in the bottom. is there a way to lock grid rows to the number of rows in the data table?
View 1 RepliesI have a query that I have to run that requires me to get rows from a table based on the value of a field in another table (which I have gotten earlier). I currently have it done like this (simplified).
[Code]...
I am using MS-SQL and I am trying to write a query which fetches rows from the master table and related rows from the detail table. Now, the thing I want is that it must only fetch the first row from the master table and related field from the detail tables should be blank in that first row, now if there are related rows found in the detail tables, they must be shown in the separate rows. I have been trying using the following query but it is not giving the desired result.
[Code]...
I've got a table in an SQL server that often has large amounts of data imported into it via an automated process - the problem is that a lot of the data that gets imported is a duplicate of data that is already in there (for example if we have a customer in there called Mr Customer Ltd, a duplicate with a slightly different name could get imported, like Mr.Customer Ltd).
So I am using the Fuzzy Logic class that Wild Bill put in the CodeBank to find names that are similar and then highlight these items. The thing is that the target table that the imported data ends up in has several thousand rows and the table that contains the data to be imported often contains several thousand rows as well, so I'm trying to decide how to do this. Obviously reading both tables into memory is not an option as it will consume too much memory on the client PC that is running this app. So this is what I am doing at the moment:
1. Read the table that contains data to be imported into a DataTable in memory
2. Open a connection to the target table and use the SQLDataReader to start to loop through it
3. In this loop, for each row that the data reader reads I then loop through the entire set of rows in the DataTable and run this fuzzy logic method that compares the account name from the current row in the datatable loop to the account name in the row that the datareader is currently on.(there is also a Thread.Sleep(1) after each row is processed to prevent the process from eating up 100% of the CPU while it runs)
I have a login form that consists of 2 text boxes: txtUser, txtPass. Now these are not bound to any data table & I don't what them to be bound. When a new user enters his user name & password, I want to add these on a data table that has two columns: User, Pass. Data table information: Data Source = Login.accdb, Data table = LoginTable, Connection = LoginCn. I use visual basic 2010. So how do I do this?
View 1 RepliesI currently have this working already for one of my combo box's, but when i try to use the same code i get this error ''There is no row at position 6.'' . The are 2 fields in the table asset_type_id, asset_type_name', im trying to dispaly the values in a combo box for the field 'asset_type_name.
the code for ' Friend Sub RetrieveCustomerInformation2()' works but the other friend sub throws the error.
Imports System.Data.SqlClient
Imports System.Data
Imports System
Imports System.Data.OleDb
[Code]...
I am using a string builder to set up an html table row by row so that it can be emailed. I currently gather my information from the database using a data reader and while dataReader.read, I use stringbuilder.Append to add each cell value to the table.The issue is that after about 200 rows, the html breaks and displays a cell value above the table in the email. I have tried changing the cell padding, but this was not successful.
View 2 RepliesI have a db with Column name Break. I have attached to my datagrid view and all that works and shows up correctly. However Im needing to put this code in a timer to get all the times in the Break Column but I need to get it from each and every row. For example:
Break
6:00am
7:00am
6:30am
I need it to look through each row and get that value. Ive tried various things, but Im not on my normal computer so I cant post my code.
Here is some code that I used to fill up my DataSet.[code]...
View 9 RepliesI have a table in where I am trying to delete all the rows except for the first. I did manage to come up with the code following:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim dtRemoveRows As DataTable =
[Code]....
In review, this code sort of holds the first row and clears the remaining rows. However, when I exit and reopen the program the rows return. So in other words, I want the rows to get permently deleted. I have searched and cannot find a solution to permenly delete all rows without deleting the first row.
how to delete all rows from a table in visual basic 2010
Dim CurMembersRow As MembersDataSet.MembersRow
CurMembersRow = CType(CType(Me.MembersBindingSource.Current, DataRowView).Row, MembersDataSet.MembersRow)
I need to take rows that I have made from a previous table and somehow reuse them in another table that I am going to make, and I cant figure out how to. Its not necessarily the rows that's tricking me but its what the column name is looking for. Its looking for a string and I don't know how to make it so VB spits out what I want it to.
View 1 RepliesI need to find rows in resultsets that have every column without null.these resultsets got variable number of columns.currently, the only way that I can think of is creating a view on each resultset and filter this way:
select field1, field2, field3, field4, ...
from "huge query"
where field1 is not null and
field2 is not null and
[code]....
and then in a storeproc/function or .net code(c# / vb.net) loop through all rows / columns and flag or remove every row that got any null?
[code]If I wanted to get Part Name for multiple PartIDs from OrderDetails, how would I go about doing this? Would I use two DataTables? I'm confused as I cannot see an efficient way to do this. The only thing that I can think of is to create a DataTable with SQL:[code]and then maybe use a For loop to take each PartID, create another DataTable to find the PartName for that and then give this to a variable. There could be up to 10 PartIDs to search through and I don't want to have variables such as PartID1 PartID2 etc. [code]
View 2 RepliesI have a bound data table bound to a datagridview. Every time the user clicks on a link to "add" a transaction, it's supposed to write to the register.
It does, but it writes it to the first line, and then overwrites it each additional click. How do I append, autoincrement, sequentially go to the next line?[code]....
i have a problem. I have database with a tableadpater. i want to get the userid with this tableadapter.
Dim dsGN As New ForumTableAdapters.Message2TableAdapter
Dim dtBetrieb As Data.DataTable = dsGN.GetUserIdFromThisMessage(ConversationID)
For Each objRow As dsGN.Message2Row In dtBetrieb.Rows
mystring = objRow.UserId.ToString
Next
i get the error "dsGN.Message2Row is not defined" The Name ob my table in the database is "Message"
Im a VB.NET beginnger, how I can dynamically add a div table row or how I can loop a section of html?
View 1 RepliesHow can I insert multiple rows from one table to another. I have query(SELECT which returns multiple rows)from table A and would like to insert all rows (as a result of query) into new tabel B.
View 2 RepliesI have a datagridview that is filled in this way:
Dim da As New OleDb.OleDbDataAdapter
da.SelectCommand = New OleDb.OleDbCommand("Select * from propietarios order by pnombre", cnmain)
[Code].....
If I insert new rows into the DataGridView, how can I make these changes are reflected in the table in the database?
Some example code to insert rows of datagridview into a sql express database table? Also, how do I manage concurrency as it is a multi user application.
View 5 RepliesI am trying to write code to insert selected rows from Table1 to Table2 ,, so i find code do that with DataGradView and i try to Modifies it to work with Multi records " Without DataGradView"[code]...
View 5 RepliesI am trying to retrieve row data from a table in a dataset (dataset name is PatientsDataSet and table name is tblfacilitiesnames).
I am using VB 2008 but the code I entered is from a VB2005 sample so something must have changed in the format.
I am already connected to the database since it opens the connection when the program is run.
Here is the code:
Dim Counter As Integer
Dim Str1 As String
Dim FacRow As PatientsDataSet.tblFacilitiesNamesRow
[Code]....
in my database there is a table holds information about the customer. in my application, in a form user can input many customer ids. when they press the update button in the customer table, a single field should be updated for all the customer ids user entered. is there any way to do this. SQL server 2005 is my database. if you think the solution is sql bulk update, can please explain me how to do a bulk update.
View 1 RepliesUsing VB.Net,In my application, am using datagridview, when i clicking the particular row, that rows value should be appear in the textbox.So the code should be come under the DataGrid3_CellMouseDoubleClick Event.How to dispaly a rows value in the textbox.For Example
3 rows means - 3 rows values should display in 3 textbox.
vb6 code
Private Sub datagrid1_DblClick()
textbox1 = datagrid1.SelectedItem.SubItems(1)[code]....
How to write a code in vb.net by getting datagrid row values.
I am making a game and decided to add a high score section. I currently have this code setup to insert and read from the database, I set the insert code to a bottom just for testing purposes.[code]There are three columns in the database rank, score and name. I set the rank to auto number so the database would assign the player rank automatically, how would I go about inserting the score into the relevant place inside the database and moving the other scores to their new relevant places?
View 1 RepliesI have a datalist in vb web form.How can i get the value in a specific rows and cells of a datalist?I could do it for detailsview but how to do it for datalist?Below is my code for detailsview: Dim selectedCommentAns As String = DetailsView.Rows(0).Cells(1).Text.I tried the same way for datalist but it dont have rows and cells to be selected.[code]
View 3 RepliesI have created a strongly typed dataset in the VS 2005 Dataset Designer. There are two tables that relates to each other in a one to many relationship: Claim and ClaimDetail. The designer automatically creates a function GetClaimDetailRows which returns all ClaimDetailRows for a ClaimRow. Why is this Array's length always 0? Because ClaimDetail contains more than 40 Million rows, i did'nt fill it before i call GetClaimDetailRows but had configured it's selectcommand that it takes a parameter idData to fill only the related records. But that seems not to work because the ClaimDetail-Datatable is empty.
The automatically generated function in the ClaimRow-Class which returns all related ClaimDetailRows:
Public Function GetClaimDetailRows() As ClaimDetailRow()
If (Me.Table.ChildRelations("Claim_ClaimDetail") Is Nothing) Then
Return New ClaimDetailRow(-1) {}
Else
Return CType(MyBase.GetChildRows(Me.Table.ChildRelations("Claim_ClaimDetail")),ClaimDetailRow())
End If
End Function
When debugging I see that it jumps into the else block but returns 0 rows. Do I have to fill the Claimdetail-Datatable first(ClearBeforeFill=True) for each Claim? But then I don't need to use this function anymore. I now fill the Datatable(ClearBeforeFill=True)before i call the Child-function and it works. But I don't understand why it could not throw an exception(optionally) when I try to acess a child-relation without having that datatable being filled(at least with 0 rows). Instead of that it returns 0 rows what can be correct or incorrect and is difficult to detect.
I am trying to input specific information on a form.I have created an sql statement from a table that will out put 18 rows of data.I have opened a recordset and instituted a do until loop.I need for the program to look at each row and if the Standard Score = the value of a field I have on the form it takes the value of the other three columns in updates it on the form.I have created the code and it works for upto 3 (Do Until loops)records, but when I try to add a 4th in the SQL statement and put in another do loop my computer runs it but it acts as if it freezes up. [code]
View 3 Replies