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C# BindingNavigator Control

Posted on 2006-07-19
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Last Modified: 2012-08-14
I have populated DateGridView control with following code:

DataTable dataTable = new DataTable();
SqlDataAdapter da = new SqlDataAdapter("select * from Customers", someConnectionString);
dataTable.Clear();
da.Fill(dataTable);
dataGridView1.DataSource = dataTable;

Now I would like to add BindingNavigator Control so that user can easily navigate, add or remove records.
How do I "linked" the two controls?
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Question by:michellechan57
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4 Comments
 
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e1v earned 500 total points
ID: 17142028
If you have a BindingNavigator called bindingNavigator1 on your form, you can to this:

DataTable dataTable = new DataTable();
SqlDataAdapter da = new SqlDataAdapter("select * from Customers", someConnectionString);
dataTable.Clear();
da.Fill(dataTable);

BindingSource bindingSource = new BindingSource(dataTable, null);
dataGridView1.DataSource = bindingSource;
bindingNavigator1.BindingSource = bindingSource;


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Author Comment

by:michellechan57
ID: 17142381
Hi e1v,

It works. Thanks. May I ask why the add and delete buttons in the BindingNavigator did not update the table when pressed (or should I ask as a new question)?
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LVL 6

Expert Comment

by:e1v
ID: 17144222
Hi,  with "did not update the table " did you mean that dhe database did not get updated? To that you must explisit do a update and for that you need update, delete and insert-commands in your SqlDataAdapter.
Those can you create using SqlCommandBuilder like:

 SqlCommandBuilder sb = new SqlCommandBuilder(da);
            da.UpdateCommand = sb.GetUpdateCommand();
            da.DeleteCommand = sb.GetDeleteCommand();
            da.InsertCommand = sb.GetInsertCommand();

and then do
da.Update(dataTable); to write changes to the database.

All this you get for free when using drag-and-drop databinding with datasets, so for simple projects it might be worth looking into.
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Author Comment

by:michellechan57
ID: 17146779
Thanks.
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