C datagridview bound to datatable not updating
Data Grid View Text Box Column cls Col1 = new Data Grid View Text Box Column(); cls Col1. i used your whole code….still i found run time error on updating and deleting…….. Hi Anshu, before using above code make ensure that 1) one primary must be exist in ur data base. Method below it’s update all records, maybe slow down the system? Sql Client; namespace Windows Forms Application2 hey…..i want to ask that for the value “11.40” i have used decimal(18,2) but whenever i try to update the data at that time it’s give me the error like conversion faild when converting the nvarchar value “11.40” to data type int. Now if person donate some amount monthly and if he paid amount then i want to remove his notification and also the notification should get display in next month. 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. Reading this post reminds me of my previous room mate! 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. 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. In case you are adding row by row, then clear the rows of datagridview first in the function How we can access the entry’s in another system using LAN while running software in both systems. i want to add, delete, update in my C# forms through DLL… I have 5 tables and one datagridview , which display the information from 5 different tables, now user is allowed add/update/delete opration in the grid with new information.
I can’t for the life of me find a tutorial that explains this from A to Z.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. 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. This is one of the most useful piece of code that I have come across on the net in a long long time. Just wanted to know how to validate data while saving, can we get individual values and validate them eg do not allow negative values or values above a cut-off level etc Hi rahim ,your multiple update code is ultimate…. its the first time i m working with the datagridview… actually its being inserted in the datagridview on the screen but my database mdb file is still empty… and is their any way to freeze particular row from updating and deleting ? Im doing one application that is Attendance Entry form. even if i dont enter the records and fire a select query it is not even reacting to it.. Mr.rahim i want to apply query on datagrid view acc to user need.. hello sir, i want to now when we give command as sql Data Adapter. ” and for id i got value as e.current Row Index, so its updating only 1 row .. Hi Rahim, I am getting “Dynamic SQL generation is not supported under multiple Base Tables”, the reason of the error is I am Joining multiple tables to get the data in the Data grid. Add(cls Col1); pls send me the code for adding col into database. HI sir, i’m filtering the data’s from the sql table and dislplaying in datagridview , now i want to save the filtered content displayed in the datagridveiw in another new sql table. pl send the code to [email protected] sir, i want to insert grid view data to another delete from current table in Sql Database.is my code…its always insert row no to table not the column value..please help me..current table is jobmain i want to job main row data to delete from jobmain.
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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.