尝试使用此代码,可能会有所帮助
public static void DataSetsToExcel(DataSet dataSet, string filepath)
{
try
{
string connString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + filepath + ";Extended Properties=Excel 12.0 Xml;";
string tablename = "";
DataTable dt = new DataTable();
foreach (System.Data.DataTable dataTable in dataSet.Tables)
{
dt = dataTable;
tablename = dataTable.TableName;
using (OleDbConnection con = new OleDbConnection(connString))
{
con.Open();
StringBuilder strSQL = new StringBuilder();
strSQL.Append("CREATE TABLE ").Append("[" + tablename + "]");
strSQL.Append("(");
for (int i = 0; i < dt.Columns.Count; i++)
{
strSQL.Append("[" + dt.Columns[i].ColumnName + "] text,");
}
strSQL = strSQL.Remove(strSQL.Length - 1, 1);
strSQL.Append(")");
OleDbCommand cmd = new OleDbCommand(strSQL.ToString(), con);
cmd.ExecuteNonQuery();
for (int i = 0; i < dt.Rows.Count; i++)
{
strSQL.Clear();
StringBuilder strfield = new StringBuilder();
StringBuilder strvalue = new StringBuilder();
for (int j = 0; j < dt.Columns.Count; j++)
{
strfield.Append("[" + dt.Columns[j].ColumnName + "]");
strvalue.Append("'" + dt.Rows[i][j].ToString().Replace("'", "''") + "'");
if (j != dt.Columns.Count - 1)
{
strfield.Append(",");
strvalue.Append(",");
}
else
{
}
}
if (strvalue.ToString().Contains("<br/>"))
{
strvalue = strvalue.Replace("<br/>", Environment.NewLine);
}
cmd.CommandText = strSQL.Append(" insert into [" + tablename + "]( ")
.Append(strfield.ToString())
.Append(") values (").Append(strvalue).Append(")").ToString();
cmd.ExecuteNonQuery();
}
con.Close();
}
}
}
catch (Exception ex)
{
}
}