Update Database From an edited Datagrid in C#

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I want to update sql database from a editted DataGrid only by clicking a Button.
The editted cell values should be updated in Database.

Posted 27-Jun-11 5:22am

Kaushal_Kumar

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Uday P.Singh · Answer 1 · 2011-06-27T05:28:00

Solution 1

simply use:

SqlCommandBuilder build = new SqlCommandBuilder(adapter);

for building the update query and on save record button click event write the below line:

adapter.Update(dt);

here adapter is a object of SqlDataAdapter and dt is object of DataTable. And make sure your table contains Primary key

refer this to learn more:

http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommandbuilder.aspx?ppud=4[^]

hope this helps :)

for further queries comment here!!

Posted 27-Jun-11 5:28am

Uday P.Singh

Updated 27-Jun-11 5:55am

v4

Comments

Vivek Krishnamurthy 27-Jun-11 11:49am

The answer is not complete.

Specifying the SelectCommand is important. And the select command should return atleast one pk or unique column.

http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommandbuilder.aspx

You can get more details from above link

Uday P.Singh 27-Jun-11 11:53am

yes you are right Vivek, Thanks I updated the answer.

Sujith.KP · Answer 2 · 2011-06-27T06:19:00

SqlDataAdapter adapter = null;

form_load()
{
SqlConnection connection = new SqlConnection("some connection string.");
adapter = new SqlDataAdapter("Select * from someTable",connection,);
adapter.Fill(dataTable);
}

btnUpdate()
{
SqlCommandBuilder commandBuilder = new SqlCommandBuilder(adapter);
adapter.UpdateCommand = commandBuilder.GetUpdateCommand();
adapter.Update(dataTable);
}