This is the data in the datagridview

This is export MDB file, you can see the red box in the figure above lines,

I don't know what circumstance can appear this problem, but not every export has a problem, ask bosses help have a look, thanks a lot,
Use the code:

 private void datatableToMdb (string FileFullName) 
{
//Import the datatable into the table in the MDB file 
String strCon="Provider=Microsoft. Ace. The OLEDB. 12.0; Data Source="+ FileFullName; 
OleDbConnection myConn=new OleDbConnection (strCon); 
MyConn. The Open (); 
Try 
{
String name="TS_Tags";//table name 
String SQL="create table" + name; 
String tableAttribute=""; 
The DataTable dt=clsGVar. DtTag;//the name of the datatable 
for (int i=0; I & lt; Dt. Columns. The Count; I++) 
{
TableAttribute=tableAttribute + dt. The Columns [I] ColumnName + "" + getType (dt) Columns [I] DataType. The ToString ()); 
If (I & lt; Dt. Columns. The Count - 1) 
{
TableAttribute +=", "; 
} 
} 
SQL=SQL + "(" + tableAttribute +"); "; 
OleDbCommand CMD=new OleDbCommand (SQL, myConn); 
CMD. ExecuteNonQuery (); 
String strCom=the string. Format (" select * from {0} ", name); 
OleDbDataAdapter da=new OleDbDataAdapter (strCom myConn); 
OleDbCommandBuilder cb=new OleDbCommandBuilder (da) 
{
QuotePrefix="[", 
QuoteSuffix="] "
}; 
The DataSet midData=https://bbs.csdn.net/topics/new DataSet (); 
Da. The Fill (midData, name); 
Foreach (DataRow dR in dt. Rows) 
{
DataRow Dr=midData. Tables [name] NewRow (); 
Dr. ItemArray=Dr. ItemArray; 
MidData. Tables [name]. Rows. The Add (Dr); 
} 
Da. Update (midData, name); 
MyConn. Close (); 
} 
The catch (Exception ex) 
{
Ex. The ToString (); 
} 
The finally 
{
MyConn. Close (); 
} 
}