how to show the data in grid view ( or any tool to view)

Question

how to show the data in grid view ( or any tool to view data one by one after put the barcode is in textbox i need to show the data in grid after the data is shown ) i need to clear (textbox)after the data are shown in the grid view .again i enter the barcode in the (textbox) i need to show the previous data + current data using asp.net c# language

selvi subramanian · Answer

if i put barcode as 1000 in textbox i need the data from sql server and show in a gridview or any tool then am going to put 1001 so i need to clear the textbox and now i need the 1000 and 1001 datas shown in the gridview or any tool to show this is my design Untitled Page .style1 { width: 100%; } .style2 { width: 522px; } ontextchanged=TextBox1_TextChanged>               this is my code using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using System.Data.SqlClient; public partial class gridview : System.Web.UI.Page { DataSet ds = new DataSet(); SqlDataAdapter sda; SqlConnection con; protected void Page_Load(object sender EventArgs e) { con = new SqlConnection(Data Source=SELVI-PC\SQLEXPRESS;Initial Catalog=demo;Persist Security Info=True;Integrated Security=True); if (!IsPostBack) { //TextBox1.Text = ds.Tables[0].Rows[0][barcode].ToString(); } } protected void TextBox1_TextChanged(object sender EventArgs e) { if (TextBox1.Text != ) { SqlCommand cmd = new SqlCommand(select * from purchase where barcode=+TextBox1.Text con); sda = new SqlDataAdapter(cmd); sda.Fill(ds); GridView1.DataSource = ds; GridView1.DataBind(); } } }

Lakshmanan Sethu · Answer

Hi Can you specify your requirements clearly?