I want to insert/edit date automatically in the DateCreated column and the SystemUser column to track the date and user who entered ther details into a dataset. I am using data bindingsource to bind controls to the dataset
View 3 RepliesI have this test form where I'm testing the idea, but ran into a snag. Now the main idea is to load all the data from a dataset into the one column of the datagridview. This works perfectly as shown in the image. Now there is something that I want to happen, but just can't get it right. when on the DataGridViewComboBox Column I also want to be able to type in my own data if the one I want is not available in the combobox.
Also if there are 50 values in my combobox and 2 of them are:
jacky, jacson
When I type jac, I want the combobox to only give me the options starting with "jac"
Here is the code that I'm currently using:
Dim dt As DataTable
Dim dsNewDataset As New DataSet()
Dim i = 0, intSetArray As Integer = 0
Public Function JT_PullDataWithCOLUMNS1(ByVal Cols As String, ByVal TableName As String) As DataTable
[Code] .....
I am a beginner to VB.net. Still learning and have a lot to learn.I am confuse on dataset and binding source.I want to update the columns in the current dataset.
I have a listbox to reorder the sequence.Once those are reordered, the sequence number should be wrote back to the "Sequence" column in the dataset.
After pointing to the current row in the binding source, I don't know how to write back to the column.[code]...
I have a dataset and want to know the data type of a specific column. The GetType returns datacolumn not string or integer etc.iggy!
View 2 RepliesI have a table with two columns (id and number1). How can i get from the datagrid or the dataset the data of one column (number1) in one variable?
View 7 RepliesI need to read data from an Excel sheet as part of a data conversion. Certain columns contain mostly numeric data but may contain some alphanumeric data somewhere in the excel sheet. The problem is, my conversion sees the alphanumeric values as null (or blank. Using the .ToString() method returns ""). To connect to Excel, I'm creating an oledb connection, creating an OleDbDataAdapter, then filling a DataSet with the adapter.
Here's the VB code for connecting:
private _oleadpt As OleDbDataAdapter
private _oleconnection As New OleDbConnection
Dim olecomm As OleDbCommand
'_database comes from a settings file and is the full path to an excel document
Dim connstring As String = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" & _database & ";
Extended Properties=""Excel 8.0;HDR=YES;"""
[Code] .....
I think the data adapter is determining the datatype for the columns based on the first however-many rows it looks at. It decides the columns with numbers are numeric which is the start of my problem. Changing the formatting of the column in Excel doesn't seem to affect the datatypes in my data set. Is there a way to tell the dataadapter or dataset what type of data to use for a column? Or should I try to cast the data in my SQL statement?
I know this has to be a very simple answer but I seem to be overlooking it. I have an Access database that I have conected to and have created a DataSet. The DataSet consists of one table with several rows and a bunch of columns. What I am trying to do is get the data for one specific row and column so that I can use this data is some calculations. I can position the row if I need to but I can't figure out how to get the data in the specific column I need.
View 3 RepliesI have a gridview loaded with data from my database and a gridview swapping function which after exchanging data between rows with a column call "Priority", I want to save these changes back to my database. Only the "Priority" column value will be change, how do I update only that Column of my dataset table to my SQL database?
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I've made a dataset using the dataset designer, and I'm trying to add a column to reflect changes made to the database (added a column, nothing fancy). Is there a way to 'refresh' the dataset schema from the datasource without deleting my adapter (and all the methods and queries I've created)?
View 2 RepliesI'm writing a help application for the Customer support team at my company to help agents ask better questions when customers report problems. In it, I've got a SQL database that contains all the products, topics, and questions. The layout is similar to the following:
Products Table:
Product_ID Product Name:
Topics Table:
Topic_ID Product_ID Topic
[code]....
I don't know if I'm making myself clear, but I basically need to do the equivalent to the following SQL statement: "SELECT PRODUCT_ID FROM Products WHERE PRODUCT_Name = LstProducts.SelectedValue"
how to make a VB program where, it'll have 2 textboxes, one username and one for password, and when the user enters in the information, it places it in the corresponding box on the website.
I'm making a program for a friend and his website, and this program is designed to allow the users of the site to download it, and use it to check if there are any updates (Friends, Mail, Forums, etc).
The code I have right now (which I tested to checking my IP) is:
Dim req As HttpWebRequest = WebRequest.Create("http:whatismyip.com/automation/n09230945.asp")
Dim res As HttpWebResponse = req.GetResponse()
[Code].....
Entering data on the listview?
View 2 RepliesNow, when the user starts typing values (limited to numbers only), I want it to go like the following:[code]As you can see, when you start typing the values, start with the space on the far right and then move towards the left with each additional number entered; I guess it's similar to the way a calculator accepts values, only I need it for entering time (i.e. mm:ss).Right now I have to enter all the numbers including the ":" between the values and the values entered are saved to a database.Also, should I be using a TextBox for this or is there a better way of displaying/entering the data.
View 6 RepliesI am developing a program that will contain a TabControl on a form. The TabControl will have multiple TabPages that will represent forms used in the mental health field by clinicians. What I have done so far is created a SQL Express 2005 database that contains a table for each TabPage. To start off, I am working with only 2 tables to see if I can make this work. The tables are called EvalPage1 and EvalPage2. Each table includes a field called ClientID which I have named Key Indexes. I am also using these fields to create a relationship:EvalPage1.ClientID (Parent) and EvalPage2.ClientID (Child)
The problem That I am encountering is when I use the BindingNavigator to enter and save a record, it only works for EvalPage1 and not for EvalPage 2. Here is the code that I am using:
[code]...
I was wondering if someone can point me in the right direction.I want to be able to have the user type information into specific fields on the form and when they select print, it auto generates a pre made form and just fills in the areas that they type in.
If I have a form that has these fields:
Name:______
Address:______
[code].....
After entering data in the first text box I want to make the second text box to get focus when the Enter key is pressed instead of Mouse and Tab control.
Is there any way to do that by making the key values of the Tab key and the Enter key?
i would like to enter data from a textbox called textbox1.text into my access database called Stocks.mdb. Browsing the internet, i have gotten close but still cant get it to insert the correct data. Currently my code is:
[Code]...
I have a project that uses a number of DataGridView controls. Most of the cells are of the DataGridViewTextBoxCell persuasion. I declare my controls like so:Dim MyCell as DataGridViewCell Later I specify whether they are DataGridViewTextBoxControls or DataGridViewComboBoxCells like so:
MyCell = New DataGridViewTextBoxCell MyCell = New DataGridViewComboBoxCell None of the places in my code require the ability for the users to enter their own values in the Combo Boxes. That is, they are either hard-coded or the values are gathered from other data within the application.
Currently, users can highlight a combo box control defined as shown above and begin typing anything they like. For example, I have one combo box that offers the user a selection of integers between 1 and 9. I can highlight the combo box cell and enter "Hello, World!" if I'd like.What does it take to disable this ability? I'm sure there's a property, but I have yet to find it. I have searched the Internet, and have found only the ability to have user-entered values added to the list and a stream of data-binding tutorials.
I did a code to insert a data into a mdb database but I want the data to be saved in the database in an encrypted manner.
View 7 RepliesWhat i want to do is not allow the entering of the same thing in the same field that has already be used. eg. field(entry) 1 is already in the database. So when trying to enter 1 and field(entry) anymore it will give error msg and make change before saving.
View 10 RepliesI am developing a program that will contain a TabControl on a form. The TabControl will have multiple TabPages that will represent forms used in the mental health field by clinicians. What I have done so far is created a SQL Express 2005 database that contains a table for each TabPage. To start off, I am working with only 2 tables to see if I can make this work. The tables are called EvalPage1 and EvalPage2. Each table includes a field called ClientID which I have named Key Indexes. I am also using these fields to create a relationship: EvalPage1.ClientID (Parent) and EvalPage2.ClientID (Child)
The problem That I am encountering is when I use the BindingNavigator to enter and save a record, it only works for EvalPage1 and not for EvalPage 2. Here is the code that I am using:
Public Class MainForm
Private Sub EvalPage1BindingNavigatorSaveItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles EvalPage1BindingNavigatorSaveItem.Click
[Code]....
Is there a way to prevent a user from entering data into a ComboBox, rather then selecting, or can anyone suggest a routine to catch and prevent entries so the user can be made aware the they are not acceptable?
View 7 RepliesI have a form where the user chooses a facility and then the list of patients for that facility are displayed in a data grid view. When I click to add a resident, the last name field on the data grid view is highlighted in blue below the last record that already exists.If I try to start typing without clicking in that cell, the facility changes - it looks like the control is still in the facility drop down box. How can I code it so that the user can just start typing in the data without having to physically click in the cell to start entering data?
When I create a new record by submitting an .aspx page the new record is not showing up. I have to navigate away from the page and back to it for the new data to show.
How do I refresh the data up reload??
I have a data-bound combobox that pulls values from a BindingList(of T). Combobox loads fine, correct values are displayed (I'm not using SelectedItem or SelectedValue). I'm using properties and connecting the data to the control via a bindingsource.
What I want is if the user types text into the combobox, I want the data from the bound table to change to that new text, i.e. edit the bound data directly.
Easy as pie to do with a textbox, but can't seem to get a combobox to work this way.
I was trying to use the validated event of the combobox to write the data to the datasource, but it doesn't fire when I press enter. Is that the way to do it? Can I not link the data to the combobox directly?
here is insert record coding
cn = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=|DataDirectory|hvaccine.mdb")
cn.Open()
Dim str As String
[code]....
I have tried everything I can to get beyond this error which shows below as <<<<< error here. It is trying to fill a dataset from a data adapter. If I change the SELECT statement to just SELECT * FROM xTable I get the correct number of records in each table. But anytime I try with a more complex statement I get the error message shown below which indicates System.Data.Common.DbDataAdapter.Fill(DataSet dataSet. I've completely erased all data and entered a new set of test data so I know there is no problem with relationships. Each table has primary key which is foreign key in other table. IS there something wrong with the Imports section: Imports System
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i am trying to copy data from a standard Dataset to a Type Dataset (XSD) of same table structure. i want to use Automapper to do that one. So how can i do that using automapper?
View 1 RepliesI have two Datagrids, One grid has all the customers garments on it with style number and contact length. The other grid has the users who have garment issued to them. the style number is in both grids. I need to loop through the users grid and say if the contract number is 1 from the first grid then the contract date on the second grid will be todays date + 365 days (year contract) I have looked at using a stored procedure and also a for each command but I am just getting stuck with it all. [Code]
View 1 RepliesI have a dataset column which is "newsID".I want to get the value of it's last record so that I can use it as a default value or starting point to auto increment when I add a new record using the BindingNavigator.
View 1 Replies