| Thành viên | Trả lời |
lenh_ho_xung
Tieu ngao giang ho
42 bài
| 15-7-2008 10:18:1
using System.Data;
using System.Data.OleDb;
...
String sConnectionString =
"Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + [Your Excel File Name Here] + ";" +
"Extended Properties=Excel 8.0;";
OleDbConnection objConn = new OleDbConnection(sConnectionString);
objConn.Open();
OleDbCommand objCmdSelect =new OleDbCommand("SELECT * FROM [Sheet1$]", objConn);
OleDbDataAdapter objAdapter1 = new OleDbDataAdapter();
objAdapter1.SelectCommand = objCmdSelect;
DataSet objDataset1 = new DataSet();
objAdapter1.Fill(objDataset1);
objConn.Close();
------------------
Ngoài automation ra còn cách này, thao tác giống hệt như với CSDL. Khá hay, ngày xưa mình dùng rồi mà quên mất.
Cái này copy từ
http://my.opera.com/dunghoangit/blog/2008/01/01/c-sharp-example-how-to-read-an-excel-file-with-oledb-and-a-simple-sql-query
|
lenh_ho_xung
Tieu ngao giang ho
42 bài
| 15-7-2008 10:18:49
Cái này copy từ codeproject
--------
/// <summary>
/// This mehtod retrieves the excel sheet names from
/// an excel workbook.
/// </summary>
/// <param name="excelFile">The excel file.</param>
/// <returns>String[]</returns>
private String[] GetExcelSheetNames(string excelFile)
{
OleDbConnection objConn = null;
System.Data.DataTable dt = null;
try
{
// Connection String. Change the excel file to the file you
// will search.
String connString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + excelFile + ";Extended Properties=Excel 8.0;";
// Create connection object by using the preceding connection string.
objConn = new OleDbConnection(connString);
// Open connection with the database.
objConn.Open();
// Get the data table containg the schema guid.
dt = objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
if(dt == null)
{
return null;
}
String[] excelSheets = new String[dt.Rows.Count];
int i = 0;
// Add the sheet name to the string array.
foreach(DataRow row in dt.Rows)
{
excelSheets = row["TABLE_NAME"].ToString();
i++;
}
// Loop through all of the sheets if you want too...
for(int j=0; j < excelSheets.Length; j++)
{
// Query each excel sheet.
}
return excelSheets;
}
catch(Exception ex)
{
return null;
}
finally
{
// Clean up.
if(objConn != null)
{
objConn.Close();
objConn.Dispose();
}
if(dt != null)
{
dt.Dispose();
}
}
}
------------
http://www.codeproject.com/KB/aspnet/getsheetnames.aspx
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