selecting a particular item in grid view

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I have a menu page from which a user selects a particular item .Depending on the item's(product) name,specifications for that product should be displayed .My datebase(Sql) contains the specfications details ..The code below when executed shows error at "dap.Fill(ds)"..In case my question is not reached to you ,then think of a online shopping site ,whenever user selects a particular item, details of the product ,pictures should be shown in another page..How can i achieve this using asp.net nd grid view ..Pls help me out asap .

C#

{
String store = Request.QueryString["id"];

SqlCommand cmd = new SqlCommand();
cmd.CommandText = "select spec from computer where prod_name is '"+store+"' ";
cmd.Connection = con;
DataSet ds = new DataSet();
SqlDataAdapter dap = new SqlDataAdapter(cmd);
dap.Fill(ds);
GridView1.DataSource = ds.Tables[0];
GridView1.DataBind();
con.Close();
}

.

Posted 14-Apr-13 5:06am

Member 9898508

Updated 15-Apr-13 0:42am

Raje_

v2

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Raj Parashar · Answer 1 · 2013-04-14T05:12:00

It may look funny but try executing following way

C#

{
String store = Request.QueryString["id"];
 
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "select spec from computer where prod_name is '"+store+"' ";
DataSet ds = new DataSet();
SqlDataAdapter dap = new SqlDataAdapter(cmd.CommandText,con);
dap.Fill(ds);
GridView1.DataSource = ds.Tables[0];
GridView1.DataBind();
con.Close();
}

Hope it helps you...

babu saravanan · Answer 2 · 2013-04-15T00:40:00

Solution 3

C#

{
String store = Request.QueryString["id"];
 
SqlCommand cmd = new SqlCommand("select spec from computer where prod_name is '"+store+"' ");

DataSet ds = new DataSet();
SqlDataAdapter dap = new SqlDataAdapter(cmd,con);
dap.Fill(ds,"TableName");
GridView1.DataSource = ds;
GridView1.DataMember=ds.Tables[0].tableName;
GridView1.DataBind();
con.Close();
}

[edit]Code block added[/edit]

Posted 15-Apr-13 0:40am

babu saravanan

Updated 15-Apr-13 0:46am

v2

Comments

fjdiewornncalwe 15-Apr-13 9:19am

My 1. Never, ever, ever use inline concatenated strings in a query.