votes
Object reference not set to an instance of an object.
I'm facing an error with the reader. I don't know what's wrong. Please help. Thanks. sqlco.Open(); reader = command.ExecuteReader(); if (reader.HasRows == true) { while (reader.R ...
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I'm facing an error with the reader. I don't know what's wrong. Please help. Thanks. sqlco.Open(); reader = command.ExecuteReader(); if (reader.HasRows == true) { while (reader.R ...
How do I do copying of data from one table to another table based on the values selected from a dropdownlist in Visual Studio 2005? Thanks.
I need to copy data from my database using sql server. So when a user selects the options from the dropdownlist, it can retrieve from the table A in the database and copy to database table B. How do I write the codes in visual studio (C#) a ...
I want to bind 2 dropdownlist, ddlC and ddlS upon selected to ddlM. However, ddlC codes can work, while the ddlS codes can't work. I face problems and do not know how to do.. Please help. Thanks. protected void ddlC_SelectedIndex ...
Hi, I would like to set the value of a dropdownlist to the current year when the page load. How do I do it? E.g. Current year is 2009. Thanks.
Hi, I would like to implement javascript on a button when a user clicks on it. It will show for e.g., "Do you really want to enter?" when the user clicks on the button. How do I do it? I'm using visual studio 2005. Thanks.
Hi, I want to display some values from DropDownList A based on selected values in DropDownList B. However, there's no common column names in the 2 tables I'm going to take datas from. How can I go about it? The following are my codes, whi ...
Hi, currently I'm being tasked to do on a page to copy data. For e.g. I want to copy last year's data and insert into this year. The data remain the same but the year changes. I am not sure how should I go on doing it. Thank You.