how to search data in datagridview using ado.net

Question

iam creating one application where i want search particular patient information in datagridview when user search that patient name in textbox how can i do that?

ds = new DataSet();
DataView dv = new DataView();
dv.Table = ds.Tables["Physio_cureTable"];
dv.RowFilter = "PationName like '%" + textBox1.Text + "%'";
dataGridView1.DataSource = dv;

iam trying like something but it not useful datagridview make blank to use this

Bryian Tan · Answer

Hello I think the code is working fine. Based on the code that you provided I see you initialized ds = new DataSet(); but I didn't see where ds is being populated before using it on this line dv.Table = ds.Tables[Physio_cureTable]; it should work if the ds object is not empty.

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 DataView_RowFilter { 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 btndisplayall_Click(object sender EventArgs e) { OleDbConnection con = new OleDbConnection(ConnectionString); con.Open(); str = select * from student; com = new OleDbCommand(str con); oledbda = new OleDbDataAdapter(com); ds = new DataSet(); oledbda.Fill(ds student); dataGridView1.DataSource = ds; dataGridView1.DataMember = student; con.Close(); } private void btndisplay_Click(object sender EventArgs e) { DataTable dt; dt = ds.Tables[student]; DataView dv = new DataView(dt); dv.RowFilter = sname=' + textBox1.Text + '; dataGridView1.DataSource = dv; } } }