Getting data in Datagridvw in buttnclick but unable 2 update

Question

Getting data in Datagridview in a button click but unable 2 update
the changes that are done in the data in the gridview cells in the runtime and update the same & see the changes in the database as well as datagridview in runtime when i click the reload button

how to do that in C# language

am using microsoft data provider for .NET in oracle database

kumartyr · Answer

thanks Satyapriya Nayak for your quick reply i think i have asked only half a question kindly see my changed question and help me if you can thanks

Satyapriya Nayak · Answer

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Data.OleDb; namespace Update_delete_datagridview { public partial class Form1 : Form { OleDbDataAdapter oledbda; OleDbCommandBuilder olcb; DataTable dataTable; BindingSource bindingSource; string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings[dsn]; string str; public Form1() { InitializeComponent(); } private void Form1_Load(object sender EventArgs e) { OleDbConnection con = new OleDbConnection(ConnectionString); con.Open(); str = SELECT * FROM student; oledbda = new OleDbDataAdapter(str con); olcb = new OleDbCommandBuilder(oledbda); dataTable = new DataTable(); oledbda.Fill(dataTable); con.Close(); bindingSource = new BindingSource(); bindingSource.DataSource = dataTable; dataGridView1.DataSource = bindingSource; dataGridView1.Columns[0].Visible = false; } private void btnaddupdate_Click(object sender EventArgs e) { try { oledbda.Update(dataTable); } catch (Exception exceptionObj) { MessageBox.Show(exceptionObj.Message.ToString()); } MessageBox.Show(Records updated); } private void btndelete_Click(object sender EventArgs e) { try { dataGridView1.Rows.RemoveAt(dataGridView1.CurrentRow.Index); oledbda.Update(dataTable); } catch (Exception exceptionObj) { MessageBox.Show(exceptionObj.Message.ToString()); } MessageBox.Show(Records Deleted); } } }