how to write the query for retriving the databse value thorugh coding in asp.net using gridview

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i have design application

UserID TextBox1

SubmitButton

database as follows;

UserID Name Address
1 A Chennai
2 B Delhi
3 C Mumbai

in run mode in textbox1 when i type partiuclar userid and click the submit button the particular data to be displayed in the grid view.please send the code.help me.

Posted 23-Nov-12 5:10am

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Krunal Rohit · Answer 1 · 2012-11-23T05:20:00

here I'm using SQL Database.. so make the connection as per this..

C#

string query="select * from table_name where UserID='"+userID+"'";
SqlDataAdapter da=new SqlDataAdapter(query, here your connection object or connection string);
DataTable dt=new DataTable();
da.Fill(dt);

DataGridView1.DataSource=dt;
DataGridView1.DataBind();     // optional