C# 获取Excel工作薄中Sheet页(工作表)名集合

时间:2022-01-08 09:33:06
         #region 获取Excel工作薄中Sheet页(工作表)名集合
/// <summary>
/// 获取Excel工作薄中Sheet页(工作表)名集合
/// </summary>
/// <param name="excelFile">Excel文件名及路径,EG:C:\Users\JK\Desktop\导入测试.xls</param>
/// <returns>Sheet页名称集合</returns>
private String[] GetExcelSheetNames(string fileName)
{
OleDbConnection objConn = null;
System.Data.DataTable dt = null;
try
{
string connString=string.Empty;
string FileType =fileName.Substring(fileName.LastIndexOf("."));
if (FileType == ".xls")
connString = "Provider=Microsoft.Jet.OLEDB.4.0;" +
"Data Source=" + fileName + ";Extended Properties=Excel 8.0;";
else//.xlsx
connString = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + fileName + ";" + ";Extended Properties=\"Excel 12.0;HDR=YES;IMEX=1\"";
// 创建连接对象
objConn = new OleDbConnection(connString);
// 打开数据库连接
objConn.Open();
// 得到包含数据架构的数据表
dt = objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, null);
if (dt == null)
{
return null;
}
String[] excelSheets = new String[dt.Rows.Count];
int i = 0;
// 添加工作表名称到字符串数组
foreach (DataRow row in dt.Rows)
{
string strSheetTableName = row["TABLE_NAME"].ToString();
//过滤无效SheetName
if (strSheetTableName.Contains("$")&&strSheetTableName.Replace("'", "").EndsWith("$"))
{
excelSheets[i] = strSheetTableName.Substring(0, strSheetTableName.Length - 1);
}
i++;
}
return excelSheets;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
return null;
}
finally
{
// 清理
if (objConn != null)
{
objConn.Close();
objConn.Dispose();
}
if (dt != null)
{
dt.Dispose();
}
}
}
#endregion