Updating datagridview c

06-Nov-2017 04:36

One Button is for deleting the selected row and other one is for updating or inserting new row. When i click update button i got this exception can u tell me why??? i am using form1 obj=new form1(); obj.refresh(); but it is not work…. Now, when you close the add data form, open the datagrid form again automatically.

Data Grid View Text Box Column cls Col1 = new Data Grid View Text Box Column(); cls Col1.

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.

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.

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.

hih saw your post, it really great, but if i have web service, how am i going to call the web service web method to the datagridview and do the update, insert and delete??? but in button click event for update, its showing an error. Thanks bhaia, I have created one column ‘cust_ID’ primary key in DB. But i tried to use a textbox in the form where i will give a customer_ID and also a button. :-) Hello Rahim .., I’m new to windows application n my coding here is C# ..,, I want to perform Edit , Delete n Update in data Grid View n data should b saved in DB ,, Used Ur code bt the update so far don in GRIDVIEW only and its nt saved in DB .., It is very easy to perform Update Delete in WEB Application ..,, Bt here it is hectic ..,, Want to complete the task ..,, Help m out of it ..,, Hoping for a reply soon !! Here is the following code that i did n nt effective !! App Settings[“connection String”]; underlined “Configuration Manager” this word please tell me its solution? i used your code in my application for insert,delete and update from datagridview to sql but it giving an error “The name ‘Configuration Manager’ does not exist in the current context” so please give a solution hello…. TX :) When i click on Add\update button, a dialog box showing syntax error INSERT INTO and when i click on Delete button it also shows a dialog “Dynamic SQL generation for the Delete Command is not supported against a Select Command that does not return any key column information” why it is happening like please give me reply…. please i need code of update and delete from gridview but as u given above code that is not understanding to me.. but how to restore mdf and ldf files in sql server HI rahim i am having doubt regarding sqldata Adapter.

Data Grid View Text Box Column cls Col1 = new Data Grid View Text Box Column(); cls Col1.

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.

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.

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.

hih saw your post, it really great, but if i have web service, how am i going to call the web service web method to the datagridview and do the update, insert and delete??? but in button click event for update, its showing an error. Thanks bhaia, I have created one column ‘cust_ID’ primary key in DB. But i tried to use a textbox in the form where i will give a customer_ID and also a button. :-) Hello Rahim .., I’m new to windows application n my coding here is C# ..,, I want to perform Edit , Delete n Update in data Grid View n data should b saved in DB ,, Used Ur code bt the update so far don in GRIDVIEW only and its nt saved in DB .., It is very easy to perform Update Delete in WEB Application ..,, Bt here it is hectic ..,, Want to complete the task ..,, Help m out of it ..,, Hoping for a reply soon !! Here is the following code that i did n nt effective !! App Settings[“connection String”]; underlined “Configuration Manager” this word please tell me its solution? i used your code in my application for insert,delete and update from datagridview to sql but it giving an error “The name ‘Configuration Manager’ does not exist in the current context” so please give a solution hello…. TX :) When i click on Add\update button, a dialog box showing syntax error INSERT INTO and when i click on Delete button it also shows a dialog “Dynamic SQL generation for the Delete Command is not supported against a Select Command that does not return any key column information” why it is happening like please give me reply…. please i need code of update and delete from gridview but as u given above code that is not understanding to me.. but how to restore mdf and ldf files in sql server HI rahim i am having doubt regarding sqldata Adapter.

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