hi. dunno y it could not show the data that i have selected and click on the button.
i have to close //GridView1.DataSource = Table;
//GridView1.DataBind();
is because it will comes to error like
Both DataSource and DataSourceID are defined on 'GridView1'. Remove one definition.
after i close //GridView1.DataSource = Table; & //GridView1.DataBind();, then it error free but there nothing show the data that i have selected and click on the button.
here my code behind
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Configuration; //to use the configurationManager
using System.Data.SqlClient; // to communicate with SQL database
using System.Data; //to use the dataset or datatable
using System.Text; // for string builder
public ...
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