the right direction on methods used to extract data to a form (fill out the fields)? I have use a form within my access database itself, however I do not want the users going into the database anymore to print. I have looked into using word, but it seems more complicated than it should be.
I uses datagridview for show query results from database which may have 0 to x number of rows. So I made calculation to calculate size of underlaying form and my datagridview dependable on number of matched rows. Underlying form is transparent and all of that looks like user control what appears and works just fine. But here is one issue: Every time datagrid have to grow, black square in that area is showed before datagrid is filled, what is not nice and surely unwanted. Did datagridview have some mechanism to freeze it and show data when populating is finished?
Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged Dim tw As Integer = 0 Dim n As Integer = 0 Dim sqlText As String Dim reader As OdbcDataReader = Nothing [Code] .....
I want to (SQL) select from a table in an Oracle database, and show the results of the query in the VB application, in a Excel like manner (rows, columns, selectable, etc.). Or in a SQL developer manner. How can I do that? Browsed through a lot of tutorials and howtos on the internet, did not get anywhere. I think (and correct me if I am wrong) that it's gotta be something with DataGridView. But I don't know how to create and populate a datatable with the result of as Select statement, how to create a dataset.
There is a connection in my program to SQL Server and there is a query which is bound to a combo box, to pull out values from the database. For some reason, I get an error message during run-time, saying that the syntax is incorrect.
Here's the query: 'The SQL Command to be executed: projs = New SqlCommand("use " & Me.ComboBox1.Text & "''" & _ "go" & _ "select name from projects where condition = 'Y'", cnn1) cnn1 is the name of my SQL Client connection.
How Do I show the values from the dataset to the text box based on the selection from the combobox list i already populated the combobox my code is. [code]
I have a form that allows users to select file and then it reads the contents, parses the data and then executes a sql insert statement to add it to a database. What I am having issues with is showing real-time results. Currently, I have the import operation take place on the import form within the OnLoad event. The problem with this is it only shows the final results instead of the results real-time. Is there anyway to do this without creating a seperate thread and delegates?
how to take a query that returns a single row of data and load that data into textbox controls.I know about ExecuteScalar but it is only good for a single column of data from the query.
I am trying to update one table with results from another table as such: Table A (field, type) : Table B ID (key) Integer : ID (key) Integer ParentID Integer : IssueID Integer Number String : ParentID Integer : Number String
I need to construct and UPDATE statement that does: Sets B.IssueID = A.ID When B.ParentID = A.ParentID AND B.Number = A.Number AND B.IssueID = 0
Here is what I have so far but it is producing an SQL syntax error (missing operator) sqlStr = "UPDATE B SET IssueID = A.id FROM B JOIN A ON (B.ParentID = A.ParentID AND B.Number = A.Number) WHERE B.IssueID = 0
I have also tried sqlStr = "UPDATE B SET IssueID = A.id FROM B, A WHERE (B.ParentID = A.ParentID AND B.Number = A.Number AND B.IssueID = 0)
The remarked area works fine when I'm accessing a specific table. I've successfully inserted the products_model field into the combobox too. The datagridview does show the table names in the db using the SHOW TABLES sql statment, but I'm not understanding how to get this info into the combobox instead.
A client encounters an error while opening a form with a crystal report viewer. The error is persistent even though I've installed the crystal report 20008 runtime redistributable at the client. The error reads:
I have setup an OleDbConnection and my query works just fine but the problem I am facing is that I want the entire query not just a certain row or column. I also would like to place this entire query into a blank excel spread sheet.[code]
I performed a search by completing this information in my form:
TextBox1: the user types DB-20-RTS DateTimePicker1: selects 7 april 2004 DateTimePicker2: selects 7 april 2004
[Code]....
I don't have errors of syntax in my code the only problem is when I press the search button (it doesn't store me in the columns of datagridview the 5 things I want).
If this is in the wrong section, I have a program that queries a database and puts the info in a specific format in a txt file. Now my problem comes w/ how to format the date.
Should I format the date in the SQL query OR is there a way to take the result from the query and format sometime before it is writen to the txt file? I'm not exactly sure how to do either. Would I need a subquery to get the desired date format?
I am using an access DB and wanted to create a query that returns user's in the db. First I need to check the db to see if it is empty. Then I need to check to see it my query returned any values. How do I go about doing this?
I'm a bit confused on how to grab query results. With VBA i would open a record set and have the results of the query written to that recordset. IN VB.net how can I grab the query result and throw each column into specfic arrays?[code]Now how would I force it to query my DB? I have a connection established already.After the query how can i play with the columnes and place them into arrays?
I had this query sp_msforeachdb 'select "?" AS db, * from [?].sys.tables' when I execute it in sql server, it return multiple results. How I can read all the results in my vb?
I am familiar with the VB6 ADO way of dealing with SQL queries and looping through the record set results.
However, what is the correct way to query a server, cycle through the results, and dispose of my query in VB.Net? All the ways I have been using seem to be unstable and crash randomly.
I have been using the following code:
Public Function GetSQLTable(ByVal strSQL As String) As DataTable Dim table As New DataTable Dim adapt As SqlDataAdapter
I am learning VB.NET and wanted to try and connect to a Oracle.DataAccess with this simple SQL Query but am stuck how to get my results.
Imports Oracle.DataAccess.Client Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click[code].....
I'm trying to execute a SQL query and pull the results into a text file. However, I'm getting an error in the bolded part. I think probably the biggest help would be an explaination of what the code in bold is actually doing. I pulled this from a book but don't think I completely understand. To me it seems like its saying that for each row in table 'extract'. Extract it, and write it?? But it doesn't seem to work that way. When it gets to that part, the error I get says that the row doesn't exist in the table
Private Sub btnExecute_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnExecute.Click Cursor.Current = Cursors.WaitCursor 'hourglass cursor Dim connection As New SqlConnection
I have created a search form based on my SQL database to search for individual records based on 3 types of criteria. The form is up and running but I want to be able to add some more code. I have assigned Stored Procedure to each click event for each button. What I wantr to be able to do is after value is added to text box and button is clicked if there are no reults to display than a message box is displayed with adequate message detailing this. Also is it possible to add a count of records to the form. Once value has been enetered ij tyext box and stored procedure runs and fills dataset with required data can I display a box to show number of records from this search.
Why would a VB/ASPX page not return results for a query which runs fine with other Oracle clients? (Same username) The following code should first output the query and then execute it outputting a single exclamation point per record. However, it outputs the query (as it should), but does not return any rows (nor error). If I copy the query to SQL Plus (or other editor) as the same user, the query returns results.
Why might my code not output any results?
Dim MyQuery As String = "...some query..." Dim Factory As DbProviderFactory = DbProviderFactories.GetFactory("System.Data.OracleClient") Dim myConn As DbConnection = Factory.CreateConnection Dim myCommand As DbCommand = Factory.CreateCommand Dim MyReader As DbDataReader
I have a basic question about using a database with Visual Basic.I'm using a OleDb connection. I have dragged and dropped editboxes from the DataDource view. This automatically places the table navigation- bar on the form. When I run it this works fine.However I want to be able to search within the table, with an SQL statement.How can I connect the results from the SQL query to the navigation bar,such that the editboxes automatically take the values of the record without having to assign every textbox manually?
I need a clarification about using datagridview and query statement. i created a sql express database. In the project has been created a dataset with inside a table. In my form i used a datagridview and in automatic have been created BindingSource, TableAdapter, TableAdapterManager and BindingNavigator.
Till here everything is ok because i can add, delete and save members of the table.
Now i wanted to use another datagridview for a research but i don't understand what to use for do that.
procedure to search in a table using a new query?
I know that have been already done this kind of questions but i don't understant if using bindingsource, sqltableadapter, tableadapter ecc..