我正在尝试使用 SqlCommand 更新 MSSQL 表,我认为这是我的 T-SQL 的语法错误,但这是我目前所拥有的:
SqlCommand sqlCmd = new SqlCommand("UPDATE yak_tickets SET email = @emailParam, subject = @subjectParam, text = @textParam, statusid = @statusIDParam, ticketClass = @ticketClassParam WHERE id = @ticketIDParam", sqlConn);
参数正常工作,但是,当我运行代码时,表格永远不会更新。任何帮助将不胜感激 =)
这是其余的代码:
#region Parameters
/* Parameters */
sqlCmd.Parameters.Add("@ticketIDParam", SqlDbType.BigInt);
sqlCmd.Parameters["@ticketIDParam"].Value = ticketID;
sqlCmd.Parameters.Add("@emailParam", SqlDbType.NVarChar);
sqlCmd.Parameters["@emailParam"].Value = ticketToBeSubmitted.getEmail();
sqlCmd.Parameters.Add("@subjectParam", SqlDbType.NVarChar);
sqlCmd.Parameters["@subjectParam"].Value = ticketToBeSubmitted.getSubject();
sqlCmd.Parameters.Add("@textParam", SqlDbType.Text);
sqlCmd.Parameters["@textParam"].Value = ticketToBeSubmitted.getTicketContent();
sqlCmd.Parameters.Add("@statusIDParam", SqlDbType.NVarChar);
sqlCmd.Parameters["@statusIDParam"].Value = ticketToBeSubmitted.getStatus();
sqlCmd.Parameters.Add("@ticketClassParam", SqlDbType.NVarChar);
sqlCmd.Parameters["@ticketClassParam"].Value = ticketToBeSubmitted.getTicketClass();
#endregion
#region Try/Catch/Finally
/* Try/Catch/Finally */
try
{
sqlConn.Open();
sqlCmd.ExecuteNonQuery();
}
catch (SqlException sqlEx)
{
sqlErrorLabel.Text = sqlEx.ToString();
sqlErrorLabel.ForeColor = System.Drawing.Color.Red;
}
finally
{
sqlConn.Close();
}
该方法的签名:
public static void updateTicketInDatabase(Ticket ticketToBeSubmitted, Label sqlErrorLabel, int ticketID)