C#读取Excel文件数据

C#读取Excel文件数据

相当简单,Excel就像数据库,每个Sheet就是一个Table. Microsoft.Jet.OLEDB驱动.

之后是DataReader循环,或DataSet处理都非常简单.
HTTP://BLOG.CSDN.NET/CRABO/
注意:数据类型的转换!!

#region set connection

string strConn = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source= "+this.txtPath.Text+";Extended Properties=Excel 8.0;";

myDataReader = null;

craboDbConnection = new OleDbConnection(strConn);

OleDbCommand myOleDbCommand = new OleDbCommand("SELECT * FROM [Sheet1$]", myOleDbConnection);

#endregion

try

{

myOleDbConnection.Open();

myDataReader = myOleDbCommand.ExecuteReader();

while (myDataReader.Read())

{

this.txtSeq.Text=Convert.ToString(myDataReader.GetValue(0));//列1

this.txtName.Text=Convert.ToString(myDataReader.GetValue(1));//列2

this.txtPIN.Text=Convert.ToString(myDataReader.GetValue(2));//列3

}

}

#region Catch

catch(System.Threading.ThreadAbortException e)

{

System.Threading.Thread.ResetAbort();

this.lblResult.Text = "线程被中断..."+e.Message;

}

catch(Exception ex)

{

System.Windows.Forms.MessageBox.Show(ex.ToString());

}

finally

{

// Always call Close when done reading.

if (myDataReader != null)

myDataReader.Close();

// Close the connection when done with it.

if (craboDbConnection!=null && craboDbConnection.State == ConnectionState.Open)

craboDbConnection.Close();

if(webResponse!=null)

webResponse.Close();

}

#endregion