(C#) ASP.NET Convert CSV To DataSet |
(C#) ASP.NET Convert CSV To DataSet ตัวอย่างการเปิดไฟล์ CSV และแปลงให้อยู่ในรูปแบบ DataSet
Language Code : VB.NET ||  C#
Framework : 1,2,3,4
csv/customer.csv
CustomerID,Name,Email,CountryCode,Budget,Used
"C001","Win Weerachai","[email protected]","TH","1,000,000.00","600,000.00"
"C002","John Smith","[email protected]","EN","2,000,000.00","800,000.00"
"C003","Jame Born","[email protected]","US","3,000,000.00","600,000.00"
"C004","Chalee Angel","[email protected]","US","4,000,000.00","100,000.00"
AspNetAdoDataSet.aspx
<%@ Import Namespace="System.Data"%>
<%@ Import Namespace="System.Data.OleDb"%>
<%@ Page Language="C#" Debug="true" %>
<script runat="server">
void Page_Load(object sender,EventArgs e)
{
DataTable dt;
DataSet ds;
//*** Csv to DataSet ***//
ds = CsvCreateDataSet();
dt = ds.Tables[0];
//*** BindData to Repeater ***//
myRepeater.DataSource = dt;
myRepeater.DataBind();
}
//*** Convert CSV to DataSet ***//
protected DataSet CsvCreateDataSet()
{
System.Data.OleDb.OleDbConnection objConn = new System.Data.OleDb.OleDbConnection();
System.Data.OleDb.OleDbCommand objCmd = new System.Data.OleDb.OleDbCommand();
System.Data.OleDb.OleDbDataAdapter dtAdapter = new System.Data.OleDb.OleDbDataAdapter();
DataSet ds = new DataSet();
String strConnString,strSQL;
strConnString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + Server.MapPath("csv/") +
";Extended Properties='TEXT;HDR=Yes;FMT=Delimited;Format=Delimited(,)'";
strSQL = "SELECT * FROM customer.csv";
objConn.ConnectionString = strConnString;
objCmd.Connection = objConn;
objCmd.CommandText = strSQL;
objCmd.CommandType = CommandType.Text;
dtAdapter.SelectCommand = objCmd;
dtAdapter.Fill(ds);
dtAdapter = null;
objConn.Close();
objConn = null;
return ds; //*** Return DataSet ***//
}
</script>
<html>
<head>
<title>ThaiCreate.Com ASP.NET - CSV</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Repeater id="myRepeater" runat="server">
<HeaderTemplate>
<table border="1">
<tr>
<th>CustomerID</th>
<th>Name</th>
<th>Email</th>
<th>CountryCode</th>
<th>Budget</th>
<th>Used</th>
</tr>
</HeaderTemplate>
<ItemTemplate>
<tr>
<td align="center"><%# DataBinder.Eval(Container.DataItem, "CustomerID") %></td>
<td><%# DataBinder.Eval(Container.DataItem, "Name") %></td>
<td><%# DataBinder.Eval(Container.DataItem, "Email") %></td>
<td align="center"><%# DataBinder.Eval(Container.DataItem, "CountryCode") %></td>
<td align="right"><%# DataBinder.Eval(Container.DataItem, "Budget") %></td>
<td align="right"><%# DataBinder.Eval(Container.DataItem, "Used") %></td>
</tr>
</ItemTemplate>
</asp:Repeater>
</form>
</body>
</html>
Screenshot
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ช่วยกันสนับสนุนรักษาเว็บไซต์ความรู้แห่งนี้ไว้ด้วยการสนับสนุน 
Load balance : Server 04
