cmd.Parameters.Add( new OleDbParameter("@Con",SqlDbType.Int));
cmd.Parameters["@Con"].Value = 1;
sql = "Insert Into tb_Article(Title) Values(@Con)";
cmd.CommandText = sql;
nReturn = cmd.ExecuteNonQuery();改为
sql = "Insert Into tb_Article(Title) Values(@Con)";
cmd.CommandText = sql;
cmd.Parameters.Add( new OleDbParameter("@Con",OleDbType.Int)); //<<<<<你的类型错了
cmd.Parameters["@Con"].Value = 1;
nReturn = cmd.ExecuteNonQuery();
cmd.Parameters["@Con"].Value = 1;
sql = "Insert Into tb_Article(Title) Values(@Con)";
cmd.CommandText = sql;
nReturn = cmd.ExecuteNonQuery();改为
sql = "Insert Into tb_Article(Title) Values(@Con)";
cmd.CommandText = sql;
cmd.Parameters.Add( new OleDbParameter("@Con",OleDbType.Int)); //<<<<<你的类型错了
cmd.Parameters["@Con"].Value = 1;
nReturn = cmd.ExecuteNonQuery();
改为
sql = "declare @Con INT Insert Into tb_Article(Title) Values(@Con)";
sql = "Insert Into tb_Article(Title) Values(”+“1”+“)”;
cmd.CommandText = sql;
nReturn = cmd.ExecuteNonQuery();
cmd.CommandText = sql;
cmd.Parameters.Add( new OleDbParameter("@Con",OleDbType.Int));
cmd.Parameters[0].Value = 1;
nReturn = cmd.ExecuteNonQuery();
cmd.CommandText = sql;
cmd.Parameters.Add( new OleDbParameter("@Con",OleDbType.Int));
cmd.Parameters[0].Value = 1;
nReturn = cmd.ExecuteNonQuery();