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SqlParameterstring
strSql = "Insert into News(TypeId,NewsCaption,NewsContent) values(@TypeId,@NewsCaption,@NewsContent)";
SqlParameter[] paras ={
new
SqlParameter("@TypeId",SqlDbType.Int),
new
SqlParameter("@NewsCaption",SqlDbType.NVarChar,200),
new
SqlParameter("@NewsContent",SqlDbType.NText)
};
paras[0].Value = typeId;
paras[1].Value = caption;
paras[2].Value = content;
int
rows = new
SqlHelp().ExecuteNonQuery(strSql, paras);
public
SqlHelp() {
connString = ConfigurationManager.AppSettings["sqlServer2005DbName"];
}
public
int ExecuteNonQuery(string
strQuery, SqlParameter[] paras) {
int
rows = 0; //影响行数
try
{
using
(SqlConnection conn = new
SqlConnection(connString)) {
using
(SqlCommand command = new
SqlCommand()) {
PrepareCommand(conn, command, strQuery, paras);
rows = command.ExecuteNonQuery();
return
rows;
}
}
} catch
{
throw;
}
}
//带参数的DML操作 private
void PrepareCommand(SqlConnection conn, SqlCommand command, string
strQuery, SqlParameter[] paras) {
if
(conn.State != ConnectionState.Open) {
conn.Open();
}
command.Connection = conn;
command.CommandText = strQuery;
command.CommandType = CommandType.Text;
if
(paras != null) {
foreach
(SqlParameter parm in
paras)
command.Parameters.Add(parm);
}
}
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