How to use where command in gridview.

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I have a page of user details in which name, father name, mother name, class, roll no. etc.
I want to show several fields in gridview like in which i want to show user name, class, roll no..
My first Page is login page. Now I Want, as i login with a user name. That user name will compare by gridview and show that detais of a login user only.
as i login redirect to another page of gridview with that details on page load.

Posted 7-May-14 21:11pm

Ankit 71

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DamithSL 8-May-14 3:17am

where you store user data?

Ankit 71 8-May-14 3:33am

in sql

oliver grace 8-May-14 3:18am

you can campare fields with the help of dataset or datatable.Then you can bind datatable in gridview.

Ankit 71 8-May-14 3:36am

my code is: SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["sst"].ToString());
con.Open();
SqlDataAdapter da = new SqlDataAdapter("select * from mastertable ", con);
DataSet ds = new DataSet();

da.Fill(ds);
GridView1.DataSource = ds.Tables[0];
GridView1.DataBind();
con.Close();
now i show the record on that field that i have selected,, but all the users that lies in that table not the login user.

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DamithSL · Answer 1 · 2014-05-07T22:11:00

Solution 1

you need to use where condition in your sql statement, for example;

C#

string userName =lblUserName.Text;
SqlDataAdapter da = new SqlDataAdapter("select * from mastertable where username ='"+ userName +"'", con);

Posted 7-May-14 22:11pm

DamithSL