C Sharp :: Using Textbox To Filter From DataGridView And SQLite Database

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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How to find getthe textbox value in a datagridview & how to delete it?

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C Sharp :: Updating Database From Datagridview

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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Mar 1, 2013

private String[] GetExcelSheetNames(string excelFile) {  
             OleDbConnection objConn = null;
             SqlConnection objSqlConn = null;
             System.Data.DataTable dt = null;  
             try {

[code].....

Now I can fatch all the excel sheet belongs to the Excel File.But How can I check "If and Only If the sheets are havin Underscore in their name(eg. student_data,teachers_data) then only the data of the sheets will populate in tha data base"

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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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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)   {
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            openFileDialog1.Filter = "Log Files (*.log)|*.log";
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[Code] .....

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Oct 11, 2014

I'm new to c# and i'm using vs 2013 and access database..my i need to do multiple update records after I filtered the records in datagridview

In my database table I have these fields ID(PK/autonumber), EID,Date,Day,Daystatus..

In my form I have a button and it's fucntion is filter by date using bidingsource.fiter and this was the result

EID------Date-----------Day---Daystatus
10175--10/11/2014---sat--------regular
10176--10/11/2014---sat--------regular
10177--10/11/2014---sat--------regular
10178--10/11/2014---sat--------regular

what I want to happen is when I click another button called "Apply to all" I want to Update all the daystatus to "Legal Holiday" of the filtered records..I know how to update one by one using simple update..but I need to do the multiple update..

I tried to make a code but it was updating all the records not the filtered only here's my code:

try {
OleDbCommand command = new OleDbCommand();
connection.Open();
command.Connection = connection;
string query = "SELECT EID From EmployeeTable";
command.CommandText = query;
String a = "Legal Holiday";

[Code] ......

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Mar 30, 2014

I am studying Software Engineer and i have a project on C. The project is a simple Pharmacy Management. I know how to develop it also i have already created the DataBase but i don't know how to connect it.

Well here is the code :

#include <stdio.h>
void main(void) {
int option;
puts("Farmacy Managemet
");
puts("Options :

[code]....

So... I'd liked to save the details from <scanpre> to sqlite db. Also i'd liked to load the details to <scanmed> from my db (name,price,form, etc.)

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C++ :: Sqlite - Error / Unable To Open Database File

Nov 10, 2012

I am receiving error: "unable to open database file" using sqlite3_open function. I am using sqlite3.c (included amalgamation files). It happens only during ARM compiling/run. If I do the same at x86 compile/run everything works fine...

I am using MAC Osx 10.7.4., Xcode 4.3.2.

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C# :: Connect Multiple Textbox To Database In WinApp

Jul 27, 2013

I have created 2 form which is login form, which username textbox already connected to the database and it is successfully. When user login, it direct to the second form, and in the second form, there are multiple textbox that i have created using Array List, and it has shown.

Here is my problem: I want to connect the textboxes in second form to the database, but it shown nothing when i run the program, i already trace the code which is the error, and the error is on when OleDBDataReader is reading, i dunno what's wrong with my code, in login form it run perfectly, but in the second form, there is an error.

Here is the image for Login Form:
Here is the image for Second Form:
Here is the code for Second Form: [CODE]

private List<List<TextBox>> textBoxCodeContainer = new List<List<TextBox>>();
string connectionString = (@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=ArchivesProjectsProgramSell SystemSell SystemApp_Datadb1.accdb;Persist Security Info=False;");

//****TextBox for Code****
for (int y = 0; y <= 16; y++)

[code]....

For the Second Form, in the column of code, it supposed to shown the autocomplete like at the Login Form.

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I have a text format like this:

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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?

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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:
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Where Employee_ID column is primary key in Employees table and foreign key in Imprests table.

ImprestsPays table consists the following columns:
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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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I am trying to get 2 numbers from 2 textboxs and get a return sum in the third textbox. the strange thing is that i got it to work with this code that i am going to provide on the last app i worked on, now on the new app i am on it doesnt work at all.. I am not getting any Errors, just shows a zero when i calculate to the sum of the total textbox.

int sum1 = 0;
            int sum2 = 0;
            int result = 0;  
            if (int.TryParse(txtPrice.Text, out sum1) & int.TryParse(txtQuantity.Text, out sum2))
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Jul 18, 2014

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here's a sample of what I have done so far:

Random r = new Random();
int IDrandom = r.Next(0, 9);
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Dec 26, 2014

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stdfrm std=new std();
std.a=txtpwd;

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This is my code for selecting row:

dataGridView1.ClearSelection();
dataGridView1.Rows[BoPrI].Selected = true;
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BoPrI is int variable that has Index Value

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[Code] .....

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How do I order the value of the selected cell in a datagrid to textbox in another form

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