private void btnok_Click(object sender, EventArgs e)
{
DataView dv = new DataView(ds.Tables["Employee"]);
dv.RowFilter = "empno=" + txtempno.Text;
dataGridView2.DataSource = dv;
I am trying to create a search button that will select my row inside my datagridview when I search the value in my textbox1 (example of the value: DR00001, DR00002, etc.). I notice when there are a few entries (say about 15-20), everything works great. When the database gets larger, the search feature doesnt seem to work. Below is a sample of my code. toolStripButton1_Click_1 is the button I am using to search my textbox.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
[Code].....
I have the following code. I am able to call data from my database and print the result onto datagridview. However, if I happen to edit some data through datagridview, I would like it to save the changes by clicking a save button. I do not know how to connect callDBButton_Click and saveButton_Click...I know how to update the changes if I just put adapter.Update(dataTable); at the end of the callDBButton_Click method...but I want to it only save changes when I CLICK the "Save" Button.
private void callDBButton_Click(object sender, EventArgs e) {
string stockName;
stockName = stockNameTextBox.Text;
OleDbConnection Connect = new OleDbConnection(OleDbConnectionString);
[Code] .....
I have an code that makes form window + button bet bigger when pressed each time, but it runs endless till out of screen,
code:
{
int S1 = 300;
int S2 = 0;
[Code]...
make it so it runs only each time i press the button?
I am using C# to build up a application. Otherwise, i have two forms, the first form is frmMaterial and the second form is frmMaterialList. frmMaterial has a textbox to get value from datagridview of frmMaterialList. My code doesn't work. How to get value from datagridview of frmMaterialList into textbox of frmMaterial?
Note: frmMaterial has a button to load frmMaterialList
I have two table the first is called Imprrests and the second is called ]IprestsPays. There is an Imprest_ID column that is primary key in [icode]Imprests[/code] table and foreign key in ImprestsPays table
Imprests table consists the following columns:
Imprest_ID, Impres_value, Imprest_date, Employee_ID
Where Employee_ID column is primary key in Employees table and foreign key in Imprests table.
ImprestsPays table consists the following columns:
ID, Payment_value, Payment_date, Imprest_ID
My problem is in the buttonadd_click event in Imprsts form.
I want to prevent user from insert any new imprest for employee in Imprests table if employee haven't paid all payments in ImprestsPays table for old imprest...
How to find getthe textbox value in a datagridview & how to delete it?
View 1 Replies View Relatedi have 10 column in my datagridview. i want to get whole value from row(which row i'll select). i have this code but it's shows only one cell value,
richtextbox.Text = dataGridView1.CurrentCell.Value.ToString();
I just wanna update my database with one click only.
I do for update my database from datagridview1 but it shows a error like this :
Unhandled exception has occurred in your application . If you click Continue, the application will ignore this error and attempt to continue. If you click Quit,the application will close immediately.
Update requires a valid UpdateCommand when passed DataRow collection with modified rows
Attached Files : WindowsFormsApplication4.zip (127.2 KB)
how to disable selection of 1'st row in dataGridView.
I made it select some other row, but even so when u try to move with arrows on keyboard it'll select 2'nd row(cause 1'st row was selected initially and you can see it's selected on RowHeader-1'st/Left Column)
This is my code for selecting row:
dataGridView1.ClearSelection();
dataGridView1.Rows[BoPrI].Selected = true;
dataGridView1.FirstDisplayedScrollingRowIndex = BoPrI;
BoPrI is int variable that has Index Value
private void button1_Click(object sender, EventArgs e) {
if (openFileDialog1.ShowDialog() == DialogResult.OK) {
TxtPath.Text = openFileDialog1.FileName;
} string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+TxtPath.Text+"";
DataSet ds = new DataSet();
[Code] .....
When I am filling a Application form and save this Application form Entries in database it saved successfully but below Application form in DataGridView How to show only current Entry row; There is not show a previous Entries in DataGridView?
View 1 Replies View RelatedI have a window form with datagridview,textbox,button and listbox. In datagridview i have added a column. In first row i have given the value like 7000,
second row 2500,
third row 7000,
fourth row 1000,
fifth 1300,
sixth 9000....n number of row:
if i enter 12000 in textbox1 then it will calculate the total in particular rows in datagridview.And the total should be less than 12000 what we have entered the value in textbox1.
The result will display in listbox..
like first greater value is 9000+2500=11500 ,
second greater value 7000+1000+1300=9500,
other third greater value is 7,000.
So i have given a sample code where i cannot get the solution ..
double search;
search = double.Parse(textBox1.Text);
double sum = 0;
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++) {
double se2 = Convert.ToDouble(dataGridView1.Rows[i].Cells[0].Value.ToString());
if (se2 == search) {
[code]....
I delete rows in datagridview using chcekbox column. I write the following code:
private void btndelpay_Click(object sender, EventArgs e) {
DialogResult dr = MessageBox.Show("delete row", "do you want to delete",
MessageBoxButtons.YesNo, MessageBoxIcon.Question, MessageBoxDefaultButton.Button2);
if (dr == DialogResult.Yes)
[Code] ......
my problem is /how to umcheck from rows in datagridview in chechboxes column when the user select dialogResult.NO
I have a program in C#.net. There is a datagridview which shows all the details of the student. Then I add a column to update another column using the value I entered. Means I want to add roll no to student details table while running. I want the code to update it. Is it possible?
View 1 Replies View RelatedI fetch maxid row to view in datagridview using the following code :
public static DataTable GetMaximpID() {
string strconn = AlShehabi.Properties.Settings.Default.NewSalariesDBConnectionString;
SqlConnection conn = new SqlConnection(strconn);
if (conn.State == ConnectionState.Closed)
[Code] ....
But I want to fetch all rows inserted and view in datagridview.... For example if user insert 4 rows I want to view them in datagridview after insert them using insertbutton_click....
how I update sql table using datagridview cell..... I want to edit cell and then press enter it update the sql table ... ??? It possible or not ... ?
View 3 Replies View RelatedI have patient_table in the database. which contain Id, name ,Image & other fields I have inserted the image in the Byte form in the database.Now i want to display all records in the Datagrid view in windows Form.
i am able to display id & Name & all fields but unable to display the image of a patient in the datagrid view.
I put all the records in the genric list:-
public static List<Personal_Details> AllMembers() {
List<Personal_Details> listMembers = new List<Personal_Details>();
Personal_Details pDetails;
try {
String Constring = ConnectionString.dataBaseConnectionString;
[code]...
i am unable to write the code for displaying the image on data gridview.
I am unable to find the solution for binding the image field in the datagrid view.
//user list view
da = new SqlDataAdapter("SELECT * FROM [user]", con);
DataTable t = new DataTable();
ds = new DataSet();
da.Fill(ds);
t = ds.Tables[0];
listView1.View = View.Details;
[Code] ....
I tried with datagridview.refresh, update but its not working can any body sugesst me what to do for refresing the data ....do timer we have to use..? if yes then how ...?
I'm trying to get some more user friendly things in my program done. Now I'm trying to filter by typing in a text box and it filters to what you are typing and shows the entire row.
This is what I currently have:
private void txtFilter_TextChanged(object sender, EventArgs e) {
try {
SQLiteConnection connect = new SQLiteConnection(connString);
connect.Open();
[Code] ....
I get an exception error though:
SQLite error
near "'N'": syntax error
// N is what I started typing to start the filter.
Ok, so I've edited the code now to this:
private void txtFilter_TextChanged(object sender, EventArgs e) // FILTER TODO {
DataView view = new DataView();
SQLiteConnection connect = new SQLiteConnection(connString);
connect.Open();
view.RowFilter = "Channel like '%" + txtFilter.Text + "%'";
}
No more exception errors, just not what I want it to do. It just keeps everything there.
I'm trying to add a function now that lets the user open 1 or more files and import them to the database and dataGridView. Now the way it is now (should) work. But when it has finished with FILE1, it won't add FILE2 as it then gives me an error that the Column Date Already exists.
My code is below
private void btnOpenLog_Click(object sender, EventArgs e) {
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.Filter = "Log Files (*.log)|*.log";
openFileDialog1.Multiselect = true;
[Code] .....
I am designing a form ..in wich i used 3 buttons...from these 3 butons ,i wanna give backcolor to button1 . How to give it a backcolor?
View 1 Replies View RelatedI have a submit button, where users are clicking after entering text into textboxes and (hopefully) check boxes (for yes/no).
Here is my code, and when I run it and press submit, there is no action. It just continues to loo.
string ConnectionString = @"Data Source=.SQLEXPRESS;
AttachDbFilename=|DataDirectory|ASPNETDB.MDF;Integrated Security=True;User Instance=True";
using (SqlConnection dataConnection = new SqlConnection(ConnectionString)) {
using (SqlCommand dataCommand = dataConnection.CreateCommand())
[Code] .....
Note: I took out the Checkboxes in the code to hopefully get a successful run, to no avail.
My question is how the button click mull ti times on page load in C# windows form??because in my project i am working on video for LAN based Skype in which i use 2 pictures boxes one for capture images and another for display .. so i want that on page load picture box capture images until i stop it .. following is my code :
image = ((CaptureDevice)cboDevices.SelectedItem).Capture() ;
pictureBox2.Image = image;
I made 2 forms and Form2 has buttons with images like planets and game wallpapers etc. When I write the code for button:
this.BackgroundImage = new Bitmap(Properties.Resources._8_8008_by_amplifier404);
this.BackgroundImageLayout = ImageLayout.Stretch;
// where _8_8008_by_amplifier404 is name of the image located in resources
It only changes background in form which has those buttons as long the form is used. Once I go back to form1 it's changed to null. How to set background in all forms with a button click which will be there until another button with an image is clicked.
Attached Images
two.jpg (69.7 KB)
three.jpg (76.7 KB)
How do I detect left mouse button down and up events on the 'Close' option of the system menu that appears when the mouse is clicked on the top left corner of a form?
View 1 Replies View Related
