/// <summary>
/// 删除数据
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="pkName">字段主键</param>
/// <param name="pkVal">字段值</param>
/// <returns></returns>
public static int DeleteData(string connectionString, string tableName, string pkName, string pkVal)
{
StringBuilder sb = new StringBuilder("Delete From " + tableName + " Where " + pkName + " = ?ID");
return(MySqlHelper.ExecuteNonQuery(connectionString, CommandType.Text, sb.ToString(), new MySqlParameter[] { new MySqlParameter("?ID", pkVal) }));
}
/// <summary>
/// 通过Dictionary插入数据
/// </summary>
/// <param name="tableName">表名</param>
/// <param name="ht">Hashtable</param>
/// <returns>int</returns>
public static int InsertByHashtable(string connectionString, string tableName, Dictionary <string, string> ht)
{
StringBuilder sb = new StringBuilder();
sb.Append(" Insert Into ");
sb.Append(tableName);
sb.Append("(");
StringBuilder sp = new StringBuilder();
StringBuilder sb_prame = new StringBuilder();
foreach (string key in ht.Keys)
{
sb_prame.Append("," + key);
sp.Append(",?" + key);
}
sb.Append(sb_prame.ToString().Substring(1, sb_prame.ToString().Length - 1) + ") Values (");
sb.Append(sp.ToString().Substring(1, sp.ToString().Length - 1) + ")");
int _object = MySqlHelper.ExecuteNonQuery(connectionString, CommandType.Text, sb.ToString(), MySqlHelper.GetParameter(ht));
return(_object);
}