[英]insert data in sqlite using dataset in c#
我有一张Excel工作表,正在使用OleDbConnection从数据集中获取数据
private static DataSet ImportExcel(string FileName, bool hasHeaders)
{
string HDR = hasHeaders ? "Yes" : "No";
string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + FileName +
";Extended Properties=\"Excel 8.0;HDR=" + HDR + ";IMEX=1\"";
DataSet output = new DataSet();
using (OleDbConnection conn = new OleDbConnection(strConn))
{
conn.Open();
DataTable dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
foreach (DataRow row in dt.Rows)
{
string sheet = row["TABLE_NAME"].ToString();
OleDbCommand cmd = new OleDbCommand("SELECT * FROM [" + sheet + "]", conn);
cmd.CommandType = CommandType.Text;
DataTable outputTable = new DataTable(sheet);
output.Tables.Add(outputTable);
new OleDbDataAdapter(cmd).Fill(outputTable);
}
}
return output;
}
现在,我想将数据从此数据集中插入sqlite表。
这就是我们可以做到的
SQLiteConnection m_dbConnection;
void createDbAndTable()
{
SQLiteConnection.CreateFile("MyDatabase.sqlite");
m_dbConnection = new SQLiteConnection("Data Source=MyDatabase.sqlite; Version=3;");
m_dbConnection.Open();
string sql = "create table myValues (name varchar(20), highScore int)";
SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
command.ExecuteNonQuery();
}
void fillTable(DataSet ds)
{
var dt = ds.Tables[0];
foreach (DataRow dr in dt.Rows)
{
var name = dr["name"].ToString();
var score = Convert.ToInt32(dr["value"].ToString());
string sql = "insert into myValues (name, highScore) values ( '" + name + "'," + score + ")";
SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
command.ExecuteNonQuery();
}
m_dbConnection.Close();
}
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