lianpiau

[QUOTE=Rejanu;1490784]If this will help: I quite often kept my laptop on the bed/pillow so it may have something to do with overheating or something. How did I get to this point: Yesterday my laptop was fine, there was nothing wrong with it... I switched it off at night but when …

I want use Inner Join link 2 table and display in a datagridview. For example, PDC_FG Table contain PONO,Customer Customer Table contain Customer, Zone 2 table has same field is Customer. [CODE]ConnectionStringSettings conSettings = ConfigurationManager.ConnectionStrings["MyDBConnectionString"]; string name = conSettings.ProviderName; string providerName = conSettings.ProviderName; string ConnectionString = conSettings.ConnectionString; string sql = …

Who know how to let winForms C# access SQL database through internet.

my record got OrderFormNo and CashBillNo.(one to one insert) if 1st record OrderFormNo is 123 and CashBillNo is ABC, if 2nd record also same OrderFormNo, the CashBill must be same. As a result, I want detect if got same OrderFormNo in database but different CashBillNo, will not insert to database.

I got a datagridview, record daily water meter. so I want minus today record with yesterday 1 and get using how many meter of water. Refer attachment will clearly to know. 

I got a datgridview. I add 1 more column to get difference of Meter 2 and meter 1. private void Loads() { ConnectionStringSettings conSettings = ConfigurationManager.ConnectionStrings["MyDBConnectionString"]; string name = conSettings.ProviderName; string providerName = conSettings.ProviderName; string ConnectionString = conSettings.ConnectionString; string sql = "SELECT * FROM WaterRecord Order by RecordID DESC"; SqlConnection …

I want display username in MDIParent form after login. Who can teach me and give coding to me. Hope every expert help me.

use datareader to retrieve data from database . like Select * from (Table) where price >= 500 and price <=1000

I want pop out a confirm message box like Response.Write("<Script>confirm('Are you sure???');</Script>"); But I want control if Ok then do wat else do wat.

I have a gridview contain 3 record, when I use OleDbDataReader to verify the record is match with data in other Table in access. My problem is if the record is no match, I will end process and do not perform insert. But when 1st record is match and 2nd …

When I select few records from datagridview and insert into access database. First selected record will last insert into database and last selected records will insert first. I got give a number to each record. For example, I got 3 items. When I select this 3 items and insert to …

I want display 1 record become 4 record for print label purpose. For Example, Model A quantity is 100 pcs, every package only can 25pcs. so I want display as attach picture in datagridview in C#. quantity records is based on Quantity / ItemPerPackage.

I want user key in CAPITAL LETTER in combobox and textbox

I want generate a auto number in asp.net which must start as Cust. For example Cust/00001

I want detect duplicate row for certain column in datagridview and highlight the row.

I wan develop a program which is detect database got new record, then it will pop out message such as MSN login & logout status at right hand side below. or detect record status and pop out message box to tell user

I want develop a asp.net C# web application. I put it in IIS. Now I want make some security function in address bar. For example, I don't want let user skip login page and key in path directly.

I want get smaller number of Qty from select record in datagridview. after that insert to another Table. For Example, datagridview A got 5 record with same PONO, when I move these record to datagridview B, they will become a summary record and 5 records become 1 record. like picture …

I want to set text file location in app.config Something like these(below code is use to store database location) [CODE]<?xml version="1.0"?> <configuration> <configSections> </configSections> <connectionStrings> <add name="MyDBConnectionString" connectionString="Data Source=LIANPIAU\SQLEXPRESS;Initial Catalog=DiningChair;Integrated Security=True" providerName="System.Data.SqlClient" /> <add name="MyDBConnectionString_PO" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=&quot;\\Shlim\wansern prog\PODiningA.mdb&quot;" providerName="System.Data.OleDb" /> <add name="MyDBConnectionString_Loading" connectionString="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=&quot;C:\LorryBook.mdb&quot;" providerName="System.Data.OleDb" /> <add name="MyDBConnectionString_ReportSystem" connectionString="Data Source=SHLIM;Initial …

I want write a text file event log. but when i want add second record(from datagridview) to text file, it will replace 1 record. [CODE]private void btnAddGoods_Click(object sender, EventArgs e) { SqlCommand cmdCheckID; SqlDataReader dtrCheckID; foreach (DataGridViewRow r in dataGridView1.SelectedRows) { string PONO = r.Cells[0].Value.ToString(); string DeliveryDate = r.Cells[1].Value.ToString(); string …

Hello! any expert can help me. Please. I'm design a form with click Search button to search date and display data in datagridview. but when I set my access database OTDate column as Date, It will cause data mismatch problem. however, set OTDate column as Text is fine. But it …

I want let exe detect new version of exe. Then it will update itself. my program is develop in Microsoft Visual Studio 2008 C# windows form application.

I develop a cash bill system. when a salesman have more than 2 order no paid, then cannot insert order. (1 order can contain many item, if in database can have same order no. but different product). database field : - name(text), paid(boolean),orderNo(text).and so on ...

Who know how to implement Mesh Topology, actually is want implement backup link. if 1 link is fail, another still can working.But I think implement in normal switch. (no in Cisco switch)

I want select rows from datagridview and insert into another Table(give the table : Label) Now my problem is this datagridview contain columns quantity and ItemPerPackage. Quantity column is Total quantity for this item and ItemPerPackage is 1 package can contain how many quantity. therefore, I want this 1 record …

I'm want to join 2 table from access database and Microsoft SQL Server 2008 In microsoft visual studio 2008. Display join data in datagridview.

I want compare 2 datagridview table for calculation purpose. This is because this 2 table is come from different database. 1 is access and 1 is sql server. therefore I cannot join table.So I have 3 datagridview table to display data. I'm want datagridview3 ItemPerPack Column * datagridview1 Qty when …

I'm want datagridview display numeric only for certain column. eg: column is store length. data will display 25mm. Now I'm want show 25 only in datagridview column.

I'm making a datagridview, inside datagridview got many columns. 1 of column name is Finished(checkbox). When load form, the system will detect Finished is Checked and display color. But when I click column header to sort, it will not display color. So how I set color command in column header …

I want make the installer for free try 30 days. after 30days disable the function of program. so I'm want to get user install date + 30days to get expire day. When user key in license key, then can use program. As a result, how can I get the install …

[QUOTE=vincezed;1564106]Hi all I am developing a form which has a gridview... i am try to do is.. it has three columns... the first two columns are for display purposr. The third column is a combobox column which displays different value for different rows.. it is fatched from database.. i am …

The problem is Red color there. when add record into table. I want have same LoadingNo but different RecNo. But I'm using this only can add record until 2 only. Expert please help me!! [CODE]private string CalculateNewRecordNumber(string record) { string[] data = record.Split('/'); DateTime currentDate = DateTime.Today; int recordYear = …

I want generate auto number format like year/month/4digit number eg:11/04/0001 2. I want read the database find last number and let number auto + 1 to generate new number

I got a datagridview, when user select a few roll records and insert to another table. So it can insert multiple record at a time. So I'm provide 2 field with auto generated number to be primary of table. 1 is LoadingNo and another is RecNo. Therefore, when a batch …

who can help?? I want display window form when user double click node in treeview.

who know code to link form when double click node in treeview?

I design a treeview for link to each form in MDIparent form. I'm also design a form for permission. when administrator check checkbox, then user can login to this form else the node of treeview will enable=false. then user cannot go to this page. 1. I wan know how to …

the problem message as above title. this problem cause when I perform update. When I select record and click update button. It will show the data into above textbox,combobox and picturebox. When I click save button it will pop out the message(title). Line 32 [CODE]private void btnSave_Click(object sender, EventArgs e) …

Who can help me?? [B]Microsoft Visual Studio 2008 Window Form Application C#[/B] I'm want store some data and picture in access database and display the data and picture in datagridview. when the user double click the record in datagridview. it will display data and picture into above textbox for update …

who can help me?? I got a datagridview, one of column in datagridview is checkbox call Finish. So that, when the Finish checkbox is checkbox, I want certain row background color become yellow color. when each time I run the program, it will display yellow color when that row Finish …

I want write a program to calculate cutting shape of foam. For example, a piece of big foam can cut to 3 different size of foam same thick and each can cut to piece in different thick. like picture below. how can i make calculation. It possible how can i …

[QUOTE=virusisfound;1489121]I am working in C# windows application and SQL I have one problem i.e I want to know that can we search data directly from database. for table we write a queary = Select * from tablename. like that is there is any queary to directly search from entire database …

I have made a system, when use select Model,then the F.Grade dropdownlist will show the F.Grade belong to user select Model. So I put display F.Grade code into Model dropdownlist. But it is very slow when user use down arrow button to find model. This is because when down to …

in visual studio 2008 C#, I'm using Developer Express v2010 v10.2.4 to develop a form. when I run the form in other pc, It pop out a message(look at pic in attach).Run in my develop pc is OK. Detail message is See the end of this message for details on …

I'm using built in function to make Login page. Now I'm want retrieve user password. This is not Run internet. This only run in LAN. so user cannot retrieve password by system. But the company got use Inbit Messenger(Local Lan). therefore, who can teach me to retrieve password because password …

[QUOTE=kimmi_baby;1487859]Hi there, I'm new to C# and I have to admit it feels very overwhelming. I was wondering if anyone could help me and explain it to me so that I can understand. Here's my code... [CODE]using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Counter1 { public class Counter …

[QUOTE=pramod90786;1489240]Actually I cant able to decide the topic of project, can any one suggest the topic for that or any web related to that. [CODE] [/CODE][/QUOTE] develop calculate CGPA system. helping lecturer to calculate mark for practical and coursework mark.and lecturer can give feedback in the system.

[QUOTE=nidhish31588;1489554]Hey can anyone tell me how to give an icon image to the project...............the icon image is also attached below[/QUOTE] see pictures. U picture must be icon type

[CODE]char a = Convert.ToChar(textbox1.Text);[/CODE]

object reference not set to an instance of an object I'm develop a C# window form application in VS2008. when run the exe file in PC. It come out message box.(object reference not set to an instance of an object). When I change the connection string to normal style like …