如果数据库是ACCESS的话,可以这样做
string cnstr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=dzrzcdwt.mdb";
OleDbConnection cn = new OleDbConnection(cnstr);
cn.Open();
OleDbCommand comm = new OleDbCommand();
comm.Connection = cn;
= "Delete * FROM jieshoushuju";
comm.ExecuteNonQuery();