C Sharp :: Get Value Cell From Datagridview
May 27, 2013
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
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Mar 26, 2013
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 ... ?
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Feb 10, 2015
i am working on a resx file. I have read the file and load it on data-gridview. now i wanted to be able to edit from the file and save.I have tried many ways but i didn't come with the solution. yesterday i tried this code below. I don't know how i can edit. here is what i have tried,
private void btnSave_Click(object sender, EventArgs e) {
foreach (DataGridViewRow _row in Gridview_Output.Rows) {
DataRow dt1 = oDataTable.NewRow();
for (int i = 0; i < Gridview_Output.ColumnCount; i++) {
Gridview_Input.SelectedRows[0].Cells[1].Value = oDataSet.Tables["data"].Rows[0][1].ToString();
[Code]...
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Sep 13, 2014
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...
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Oct 20, 2014
How to find getthe textbox value in a datagridview & how to delete it?
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Feb 18, 2013
i 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();
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Jul 12, 2013
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)
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May 3, 2012
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
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Nov 22, 2012
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] .....
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Apr 12, 2012
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?
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Dec 3, 2012
I 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]....
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Sep 14, 2014
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
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Feb 22, 2015
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?
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Sep 14, 2014
I 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....
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Feb 9, 2013
I 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.
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Jan 9, 2013
//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 ...?
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Nov 8, 2012
private void btnok_Click(object sender, EventArgs e)
{
DataView dv = new DataView(ds.Tables["Employee"]);
dv.RowFilter = "empno=" + txtempno.Text;
dataGridView2.DataSource = dv;
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Mar 11, 2013
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.
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Mar 29, 2013
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] .....
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Feb 5, 2014
I want to to divide a cell into 4 different regions using x_coordinate, y_coordinate (for outer sectors) and by defining radius (for center region). I tried my best by i couldn't figure out how to do this in C. I am attaching the diagram of the cell for better understanding. URL...
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Mar 6, 2015
I would like to draw a border arround a cell in a TableLayoutPanel but without also making a connection between the columns. I just want an outer border.
private void tableLayoutPanel1_CellPaint(object sender, TableLayoutCellPaintEventArgs e) {
if (e.Row == 0) {
e.Graphics.DrawLine(Pens.Black, e.CellBounds.Location, new Point(e.CellBounds.Right, e.CellBounds.Top));
e.Graphics.DrawLine(Pens.Black, new Point(e.CellBounds.Left, e.CellBounds.Bottom), new Point(e.CellBounds.Right, e.CellBounds.Bottom));
e.Graphics.DrawLine(Pens.Black, e.CellBounds.Location, new Point(e.CellBounds.Left, e.CellBounds.Bottom));
}
}
This line
e.Graphics.DrawLine(Pens.Black, e.CellBounds.Location, new Point(e.CellBounds.Left, e.CellBounds.Bottom));
also paints connections, where i don't want them. How can i just make a outerb order arround a cell and is there a easier way to do it? Here's also an image of what i want. I don't know if i described it right.
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Jan 23, 2014
I want to display the content of point "cell", how can I implement this:
Here is the code:
#include <iostream>
#include <utility>
#include <conio.h>
#include <stdio.h>
using namespace std;
int main () {
typedef pair<int,int> point;
[Code] .....
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Jul 24, 2013
I've tried this (without success):
ui->tableView->model()->setData(ui->tableView->model()->index(5, 5, QModelIndex()), QVariant(QColor(Qt::red)), Qt::DecorationRole);
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Oct 2, 2013
I have already data in two dimensional matrix but some cell is empty.Now i want to put 0 in blank cell.
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Aug 6, 2013
I am saving my data in Excel File Format.
I am using CDataBase class and its methods like OpenEx ,ExecuteSQL etc. The program is working fine.
Now I need to change back-ground color of some data base records.
How to do this in MFC ?
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Apr 2, 2013
I know how to change the back color of text in th ListView for all the View, but if I only want to change the back color of one cell i don`t find any way. Is it possible?
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