C# e(数据表可模式化) { var sheets=新列表(); foreach(schemaAdatable.AsEnumerable()中的var dataRow) { 添加(dataRow.ItemArray[2].ToString()); } 报税表;
e(数据表可模式化) { var sheets=新列表(); foreach(schemaAdatable.AsEnumerable()中的var dataRow) { 添加(dataRow.ItemArray[2].ToString()); } 报税表; }C# e(数据表可模式化) { var sheets=新列表(); foreach(schemaAdatable.AsEnumerable()中的var dataRow) { 添加(dataRow.ItemArray[2].ToString()); } 报税表;,c#,excel,xlsx,C#,Excel,Xlsx,e(数据表可模式化) { var sheets=新列表(); foreach(schemaAdatable.AsEnumerable()中的var dataRow) { 添加(dataRow.ItemArray[2].ToString()); } 报税表; } 我认为这是OLEDB.12.0以及Excel 8.0属性。。我以前从未见过这种情况,通常使用Jet.OLEDB.4.0和Excel8.0,或者使用ACE.OLEDB.12.0和Excel12.0 String ConnectionStri
我认为这是OLEDB.12.0以及Excel 8.0属性。。我以前从未见过这种情况,通常使用Jet.OLEDB.4.0和Excel8.0,或者使用ACE.OLEDB.12.0和Excel12.0
String ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;" +
"Data Source=" + VariableFile + ";" +
"Extended Properties=Excel 8.0;";
string connectionString = string.Format("Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=\"Excel 12.0 Xml;HDR=No;IMEX=1\";", fullPath);
string connectionString = string.Format("Provider=Microsoft.Jet.OLEDB.4.0; data source={0}; Extended Properties=\"Excel 8.0;HDR=No;IMEX=1\";", fullPath);
try
{
string connectionString = string.Empty;
if (Path.GetExtension(ExcelFileName) == ".xlsx")
{
connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + ExcelFileName +
";Extended Properties=Excel 12.0;";
}
else
{
connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFileName + ";Extended Properties=Excel 8.0;";
}
OleDbCommand selectCommand = new OleDbCommand();
OleDbConnection connection = new OleDbConnection();
OleDbDataAdapter adapter = new OleDbDataAdapter();
connection.ConnectionString = connectionString;
if (connection.State != ConnectionState.Open)
connection.Open();
DataTable dtSchema = connection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
List<string> SheetsName = GetSheetsName(dtSchema);
for (int i = 0; i < SheetsName.Count; i++)
{
selectCommand.CommandText = "SELECT * FROM [" + SheetsName[i] + "]";
selectCommand.Connection = connection;
adapter.SelectCommand = selectCommand;
DataTable Sheet = new DataTable();
Sheet.TableName = SheetsName[i].Replace("$", "").Replace("'", "");
adapter.Fill(Sheet);
if (Sheet.Rows.Count > 0)
{
Records.Tables.Add(Sheet);
}
}
}
catch (Exception ex)
{
WriteLog(ex);
}
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Data.OleDb;
using System.Linq;
using System.Net;
public DataSet ExcelToDataSet(string excelFilename)
{
var dataSet = new DataSet(excelFilename);
// Setup Connection string based on which excel file format we are using
var excelType = "Excel 8.0";
if (excelFilename.Contains(".xlsx"))
{
excelType = "Excel 12.0 XML";
}
// <add key="Microsoft.ACE.OLEDB" value="Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties='{1};HDR=YES;READONLY=TRUE'"/>
var connectionStringFormat = ConfigurationManager.AppSettings["Microsoft.ACE.OLEDB"].ToString();
var excelNamePath = string.Format(@"{0}\{1}", Environment.CurrentDirectory, excelFilename);
var connectionString = string.Format(connectionStringFormat, excelNamePath, excelType);
// Create a connection to the excel file
using (var oleDbConnection = new OleDbConnection(connectionString))
{
// Get the excel's sheet names
oleDbConnection.Open();
var schemaDataTable = (DataTable)oleDbConnection.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
oleDbConnection.Close();
var sheetsName = GetSheetsName(schemaDataTable);
// For each sheet name
OleDbCommand selectCommand = null;
for (var i = 0; i < sheetsName.Count; i++)
{
// Setup select command
selectCommand = new OleDbCommand();
selectCommand.CommandText = "SELECT * FROM [" + sheetsName[i] + "]";
selectCommand.Connection = oleDbConnection;
// Get the data from the sheet
oleDbConnection.Open();
using (var oleDbDataReader = selectCommand.ExecuteReader(CommandBehavior.CloseConnection))
{
// Convert data to DataTable
var dataTable = new DataTable(sheetsName[i].Replace("$", "").Replace("'", ""));
dataTable.Load(oleDbDataReader);
// Add to Dataset
dataSet.Tables.Add(dataTable);
}
}
return dataSet;
}
}
private List<string> GetSheetsName(DataTable schemaDataTable)
{
var sheets = new List<string>();
foreach(var dataRow in schemaDataTable.AsEnumerable())
{
sheets.Add(dataRow.ItemArray[2].ToString());
}
return sheets;
}