every dating magazine - Datagrid not updating

Hi Rahim, First of all thanks for such a code,because i researched the entire google but found no single code for this ins,upd & del. Now i just have a doubt,i used part of ur code to do just a delete opr in i update the database,it keeps on giving the same error that,”Object reference not set to instance of an object. Am getting mad trying alternatives for this error for 2 help resolve. Add a Data Grid View control and two Buttons on a Form. This will be something like…(please check out code syntax) Integer i = Data Grid View1. Dynamic SQL generation for the Update Command is not supported against a Select Command that does not return any key column information………. my first form is datagridview …side buttons is.,edit, delete,and close…now i want add some details then click add button then open another form….insert the data from add form…add form close after inserted data…..i want automatic refresh the form1…… When you click add button , close the datagrid form, open up the add data form.

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For this, i used where condition in the query and left the rest of the code as before(similar to urs). But now i want to take a data Grid View where i will add 3 column(name,address, Phone) manualy. Delete is also not working properly ..,, There also throws an exception .. Update(Data Table); it has gave an error please help me on this. Data Grid View control are used very frequently in C#. Insert Delete Update in Data Grid View with Data Table in C Hello there, I have a lot of errors with the same announce for the following (some of them!!

cause i am only am be to retrieve the data to the datagridview for delete, i want to delete in the datagridview, meaning each row got it own delete button please provide me with the code….. which is: ” Dynamic SQL generation for the Update Command is not supported against a Select Command that does not return any key column information. So, if i click the button then it will show the result in Data Grid, against the customer_ID which will be given in the textbox. namespace Database private void button3_Click(object sender, Event Args e) private void Form6_Load(object sender, Event Args e) private void data Grid View1_Cell Content Click(object sender, Data Grid View Cell Event Args e) private void button1_Click(object sender, Event Args e) private void button4_Click(object sender, Event Args e) public void clear() } } Thanq so much for ur reply ..,, Here throws another exception if i use Ur code given .., Dynamic SQL Generation for the update command is not supported against a select command that doesn’t return any key column information ..,, Bhaia, I have done Insert, Update, Delete in data Grid View in the same way as urs. Update for the entire row is happening ..,, But for a single column it throws an exception ..,, Can U sort out this problem .. Update(datatable) Actually am using Oracle for the same thing i wrote like follwoing Oledb Data Adapter.

here it is: Hi, I was designed a windows application form named as this form my issue the name of companyname combobox is there if i choose any companyname name from combobox(cmb_companyname)has to display the remaining textboxes.i will display my tables here.

Tbl_report1 columns: Invoiceno,particulars,quantity,perprice,amount,invoicedate,ondate,invoiceid,orderno Tbl_report2 columns: Compname,compaddress,invoiceno(primarykey),orderno,ondate,invoicedate,amountstatus,netamount,netvat,tamount Tbl_customer columns: Custid,custname,custaddress,custcity,custstate,custstdcode,custphoneno,custmobileno in my form I am having these fields like I mentioned above two issue is if I select the compname it should display the remaining loading only companynames I wrote the code is below.

Im writing code like this connection String = “Data Source=;database=Northwind; User ID=sa; Password=sa”; but Sql server2005 error shows like : SQL Server doesn’t allow remote connections. but i want to learn that how we doing this through DLL. I have single button “SAVE” which save the data in the database.

how can i set , update or insert or delete operation on one “SAVE” button.

I just want to add new row, but do not update the old records. I have created one page in in which i have taken 1 grid view which shows notification about person who will donate amount on particular day/date.

Configuration; Sql Connection con = new Sql Connection(Configuration Manager. To String()); protected void Page_Load(object sender, Event Args e) Hello Please help me.

private void loadcompanies() But it shows the that I wrote the code in selectedindexchangedevent.

private void cmb_companyname_Selected Index Changed(object sender, Event Args e) } Best, Sudheep.

Could you please explain how to do this from the start.

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