в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:19:06Z

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==Connecting to a Microsoft Excel Workbook==

<source lang="csharp">using System;
using System.Data;
using System.Data.OleDb;
class Program
{
static void Main(string[] args)
{
string[] oledbConnectString = new string[]
{
"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=Category.xlsx;" +
"Extended Properties=\"Excel 12.0;HDR=YES\";",
"Provider=Microsoft.ACE.OLEDB.12.0;" +
@"Data Source=Category.xls;" +
"Extended Properties=\"Excel 8.0;HDR=YES\";"
};
foreach (string connectString in oledbConnectString)
{
OleDbConnection connection =new OleDbConnection(connectString);
connection.Open( );
Console.WriteLine("Connection.String = {0}\n",connectString);
Console.WriteLine("Connection.State = {0}",connection.State);
Console.WriteLine("Connection.Provider = {0}",connection.Provider);
Console.WriteLine("Connection.ServerVersion = {0}",connection.ServerVersion);
connection.Close( );

}
}
}</source>

==Retrieving Data from a Microsoft Excel Workbook==

<source lang="csharp">using System;
using System.Data;
using System.Data.OleDb;
class Program
{
static void Main(string[] args)
{
string oledbConnectString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
@"Data Source=..\Category.xlsx;" +
"Extended Properties=\"Excel 12.0;HDR=YES\";";
string commandText = "SELECT CategoryID, CategoryName, " +
"Description FROM [Sheet1$]";
OleDbConnection connection = new OleDbConnection(oledbConnectString);
OleDbCommand command = new OleDbCommand(commandText, connection);
connection.Open();
OleDbDataReader dr = command.ExecuteReader( );
while (dr.Read()){
Console.WriteLine(dr["CategoryID"]);
Console.WriteLine(dr["CategoryName"]);
Console.WriteLine(dr["Description"]);
}
connection.Close( );
}
}</source>

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в 15:31, 26 мая 2010

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