select tree node to display the related gridview

Question

i have the tree node in windows form application while i am click the tree node to display the related gridview in C#

Satyapriya Nayak · Answer

Hi Deva Try this... 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 Treeview_Node__Related_data { public partial class Form1 : Form { string ConnectionString = System.Configuration.ConfigurationSettings.AppSettings[dsn]; OleDbCommand com; OleDbDataAdapter oledbda; DataSet ds; string str; public Form1() { InitializeComponent(); } private void Form1_Load(object sender EventArgs e) { treeView1.Nodes.Add(Please select any table); treeView1.Nodes.Add(student); treeView1.Nodes.Add(employee); treeView1.Nodes.Add(product); } private void treeView1_AfterSelect(object sender TreeViewEventArgs e) { OleDbConnection con = new OleDbConnection(ConnectionString); if (treeView1.SelectedNode.Text == Please select any table) { } else if (treeView1.SelectedNode.Text == student) { con.Open(); str = select * from student; com = new OleDbCommand(str con); oledbda = new OleDbDataAdapter(com); ds = new DataSet(); oledbda.Fill(ds student); dataGridView1.DataMember = student; dataGridView1.DataSource = ds; con.Close(); dataGridView1.Visible = true; dataGridView2.Visible = false; dataGridView3.Visible = false; } else if (treeView1.SelectedNode.Text == employee) { con.Open(); str = select * from employee; com = new OleDbCommand(str con); oledbda = new OleDbDataAdapter(com); ds = new DataSet(); oledbda.Fill(ds employee); dataGridView2.DataMember = employee; dataGridView2.DataSource = ds; con.Close(); dataGridView1.Visible = false; dataGridView2.Visible = true; dataGridView3.Visible = false; } else if (treeView1.SelectedNode.Text == product) { con.Open(); str = select * from product; com = new OleDbCommand(str con); oledbda = new OleDbDataAdapter(com); ds = new DataSet(); oledbda.Fill(ds product); dataGridView3.DataMember = product; dataGridView3.DataSource = ds; con.Close(); dataGridView1.Visible = false; dataGridView2.Visible = false; dataGridView3.Visible = true; } } } } Thanks If this post helps you mark it as answer