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copied!<p>He's prolly talking about an event similar to button click. DataGridView should be able to contains controls like dropdown menu, so you will be able to add a response dependent on the selected cell.</p> <p>Try</p> <pre><code>private void GetData(string selectCommand) { // Specify a connection string. Replace the given value with a // valid connection string for a Northwind SQL Server sample // database accessible to your system. String connectionString = "Integrated Security=SSPI;Persist Security Info=False;" + "Initial Catalog=Northwind;Data Source=localhost"; // Create a new data adapter based on the specified query. dataAdapter = new SqlDataAdapter(selectCommand, connectionString); // Create a command builder to generate SQL update, insert, and // delete commands based on selectCommand. These are used to // update the database. SqlCommandBuilder commandBuilder = new SqlCommandBuilder(dataAdapter); // Populate a new data table and bind it to the BindingSource. DataTable table = new DataTable(); table.Locale = System.Globalization.CultureInfo.InvariantCulture; dataAdapter.Fill(table); bindingSource1.DataSource = table; // Resize the DataGridView columns to fit the newly loaded content. dataGridView1.AutoResizeColumns( DataGridViewAutoSizeColumnsMode.AllCellsExceptHeader); } private void Form1_Load(object sender, System.EventArgs e) { // Bind the DataGridView to the BindingSource // and load the data from the database. dataGridView1.DataSource = bindingSource1; GetData("select * from Customers"); } </code></pre>

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