C# 使用c将CSV连接添加到Excel#
我尝试了很多方法,我想用c向excel添加csv连接# 我尝试过的事情:C# 使用c将CSV连接添加到Excel#,c#,excel,csv,C#,Excel,Csv,我尝试了很多方法,我想用c向excel添加csv连接# 我尝试过的事情: string textpath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments); string path = textpath + "\\filename.csv" 这是我得到的例外 System.ArgumentException was unhandled by user code HResult=-2147024809
string textpath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
string path = textpath + "\\filename.csv"
这是我得到的例外
System.ArgumentException was unhandled by user code
HResult=-2147024809
Message=The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
Source=""
StackTrace:
at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
at Microsoft.Office.Interop.Excel.Connections.Add2(String Name, String Description, Object ConnectionString, Object CommandText, Object lCmdtype, Object CreateModelConnection, Object ImportRelationships)
at Saturn.DataImportForm.CouchImport() in c:\Users\dtaylor\Documents\Visual Studio 2013\Projects\Saturn\Saturn\Saturn\CouchImport.cs:line 43
at Saturn.DataImportForm.ImportButton_Click(Object sender, EventArgs e) in c:\Users\dtaylor\Documents\Visual Studio 2013\Projects\Saturn\Saturn\Saturn\DataImportForm.cs:line 41
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
InnerException:
Microsoft Jet OLE DB 4.0文本文件连接字符串 如果要查看数据集中的数据
string strFileName = textpath + "\\filename.csv";
OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0; Data Source = " + System.IO.Path.GetDirectoryName(strFileName) +"; Extended Properties = \"Text;HDR=YES;FMT=Delimited\"");
conn.Open();
OleDbDataAdapter adapter = new OleDbDataAdapter("SELECT * FROM " + System.IO.Path.GetFileName(strFileName), conn);
DataSet ds = new DataSet("Temp");
adapter.Fill(ds);
DataTable tb = ds.Tables[0];
System.ArgumentException was unhandled by user code
HResult=-2147024809
Message=The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))
Source=""
StackTrace:
at System.RuntimeType.ForwardCallToInvokeMember(String memberName, BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData& msgData)
at Microsoft.Office.Interop.Excel.Connections.Add2(String Name, String Description, Object ConnectionString, Object CommandText, Object lCmdtype, Object CreateModelConnection, Object ImportRelationships)
at Saturn.DataImportForm.CouchImport() in c:\Users\dtaylor\Documents\Visual Studio 2013\Projects\Saturn\Saturn\Saturn\CouchImport.cs:line 43
at Saturn.DataImportForm.ImportButton_Click(Object sender, EventArgs e) in c:\Users\dtaylor\Documents\Visual Studio 2013\Projects\Saturn\Saturn\Saturn\DataImportForm.cs:line 41
at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ButtonBase.WndProc(Message& m)
at System.Windows.Forms.Button.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
InnerException:
string strFileName = textpath + "\\filename.csv";
OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OleDb.4.0; Data Source = " + System.IO.Path.GetDirectoryName(strFileName) +"; Extended Properties = \"Text;HDR=YES;FMT=Delimited\"");
conn.Open();
OleDbDataAdapter adapter = new OleDbDataAdapter("SELECT * FROM " + System.IO.Path.GetFileName(strFileName), conn);
DataSet ds = new DataSet("Temp");
adapter.Fill(ds);
DataTable tb = ds.Tables[0];