ASP.net code connecting Excel

First, add the namespace

 
using System.Data.OleDb; 
protected void Page_Load(object sender, EventArgs e) 
{ 
if (!IsPostBack) 
{ 
strfile = Request.QueryString["filename"];// File path from other pages  
Excel(strfile); 
} 
} 
private void Excel(string filepath) 
{ 
try 
{ 
Dataset ds = new DataSet(); 
string ConnStr = "Provider=Microsoft.Jet.OleDb.4.0;data source=" + filepath + 
";Extended Properties='Excel 8.0; HDR=YES; IMEX=1'";// The connection Excel The string  
string query = "SELECT * FROM [student$]";//Excel Table name in  
OleDbCommand oleCommand = new OleDbCommand(query, new OleDbConnection(ConnStr)); 
OleDbDataAdapter oleAdapter = new OleDbDataAdapter(oleCommand); 
oleAdapter.Fill(ds, "[student$]"); 
rowcount = ds.Tables[0].Rows.Count; 
gridview1.DataSource = ds; 
gridview1.DataBind(); 
lblmes.Text = " The upload was successful, the data is as follows, please confirm: ";//lblmes for label , display the prompt message  
} 
catch (OleDbException) 
{ 
string filename = filepath.Substring(filepath.LastIndexOf('/') + 1); 
lblmes.Text = " Error! Please confirm whether the uploaded file is correct! The file currently uploaded is: " + filename; 
lbtnSure.Visible = false; 
} 
catch(Exception ee) 
{ 
lblmes.Text = ee.Message; 
} 
} 

asp.net implementation code that reads and displays excel data

Create dynamic Excel with C# in Asp.net

asp.net operates on the implementation code for excel