Search Record with Multiple TextBox in Multiple Columns On Single Button Click

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I want to search Record using Multiple Textboxes in Multiple Columns On single Button click like this-

http://s9.postimg.org/mm65gbxxr/Design_Search_Application_like_this_and_clear_co.png[^]

Would it be Good To check for Null Values to search result like

C#

 if (TextBox2.Text == "")
       {

Then Search Via Column "Name"
}
else if(TextBox3.Text == "")
{

Search Via RollNumber

}

Just Want to know a Better idea to perform search can anybody suggest me thanks in advance :)

Posted 26-Mar-13 16:41pm

Surendra0x2

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_Maxxx_ · Answer 1 · 2013-03-26T18:19:00

Solution 1

I'd normally have an SP doing the search.
The parameters for the SP would be null for the search criteria not specified.

The WHERE of the SQL woulld read something like

SQL

WHERE

table.Name = (IsNull(@Name, table.Name))
AND
table.RollNumber = (IsNull(@RollNumber, table.RollNumber))

Posted 26-Mar-13 18:19pm

_Maxxx_

Monster Maker · Answer 2 · 2013-03-26T18:59:00

Solution 2

You can build the query dynamic instead ,

before executing it.

C#

string qry="select details from table where";

if(txtbox1.text=="")
qry+="rollno ="+txtbox2.text;
if(textbox2.text=="")
qry+="name="+txtbox1.text;

Posted 26-Mar-13 18:59pm

Monster Maker

Updated 26-Mar-13 21:22pm

v2