how to datagridview data store in database

Question

1.00/5 (2 votes)

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 protected void Button4_Click(object sender, EventArgs e)
        {
            for (int i = 0; i < GridView1.Rows.Count; i++)
            {
                SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString);
                con.Open();
                string ins = "insert into update (Regid,Rollno,Name,Course,Noofbooks,Bookid,Bookname) Values(@Regid,@Rollno,@Name,@Course,@Noofbooks,@Bookid,@Bookname)";
                SqlCommand com = new SqlCommand(ins, con);
                com.Parameters.AddWithValue("@Regid", GridView1.Rows[i].Cells[0].Text);
                com.Parameters.AddWithValue("@Rollno", GridView1.Rows[i].Cells[1].Text);
                com.Parameters.AddWithValue("@Name", GridView1.Rows[i].Cells[2].Text);
                com.Parameters.AddWithValue("@Course", GridView1.Rows[i].Cells[3].Text);
                com.Parameters.AddWithValue("@Noofbooks", GridView1.Rows[i].Cells[4].Text);
                com.Parameters.AddWithValue("@Bookid", GridView1.Rows[i].Cells[5].Text);
                com.Parameters.AddWithValue("@Bookname", GridView1.Rows[i].Cells[6].Text);
                com.ExecuteNonQuery();
                con.Close();
            }
            Label1.Text = "Added successfully!";
        }
    }
}

Posted 17-May-15 3:17am

PreetamYadav

Updated 17-May-15 3:18am

v2

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Comments

Kornfeld Eliyahu Peter 17-May-15 9:28am

Except the fact that you are opening and closing a connection for every iteration of the loop (waste of time/resources), what is your problem?

PreetamYadav 18-May-15 1:56am

Show error

Incorrect syntax near the keyword 'update'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: Incorrect syntax near the keyword 'update'.

Source Error:

Line 106: com.Parameters.AddWithValue("@Bookid", GridView1.Rows[i].Cells[5].Text);
Line 107: com.Parameters.AddWithValue("@Bookname", GridView1.Rows[i].Cells[6].Text);
Line 108: com.ExecuteNonQuery();
Line 109: con.Close();
Line 110: }

2 solutions

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Kornfeld Eliyahu Peter · Answer 1 · 2015-05-17T21:23:00

Solution 2

UPDATE is a reserved keyword in SQL and you can not name a table update!!!
NEVER USE RESERVED KEYWORD AS TABLE/COLUMN NAME!!!

Posted 17-May-15 21:23pm

Kornfeld Eliyahu Peter

Arun Kumar_Tech · Answer 2 · 2015-05-17T21:24:00

your create table name as update, its a keyword, so use your table name like this [update] it wont show error

Follow the below code:

"

C#

string ins = "insert into [update] (Regid,Rollno,Name,Course,Noofbooks,Bookid,Bookname) Values(@Regid,@Rollno,@Name,@Course,@Noofbooks,@Bookid,@Bookname)";