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DataSet Merge

Posted on 2013-01-23
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Last Modified: 2013-02-12
Hello:

I used the merge function to merge two datasets together. However when they are displayed on the GridView they are shown on two different lines.

I attached an excel spreadsheet that shows the output.
Book1.xls
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Question by:RecipeDan
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7 Comments
 
LVL 19

Expert Comment

by:Amandeep Singh Bhullar
ID: 38810822
Try converting into datatables and then merge them
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Author Comment

by:RecipeDan
ID: 38811443
Same thing happens.....
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LVL 35

Expert Comment

by:YZlat
ID: 38811726
Can I see your code for merging?
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LVL 35

Accepted Solution

by:
YZlat earned 500 total points
ID: 38811755
you could convert both datasets to datatables and then do something like that:
 
for(int i=0;i<dt2.Rows.Count;i++)
{
    DataRow dr=dt1.NewRow();
    dr[0]=dt2.Rows[i][0];
    dr[1]=dt2.Rows[i][1];
    dr[2]=dt2.Rows[i][2];
    dt1.Rows.Add(dr);
}

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Author Comment

by:RecipeDan
ID: 38812155
Here is the syntex that I am using. I did not create the database nor schema. I am trying to do the best with what was given to me

        SqlConnection conn;
        DataTable datatable = new DataTable();
        SqlDataAdapter adapter;
        string connectionString = "Data Source=LVAnimal;Initial Catalog=Data;User Id=AnimalUser;Password=AnimalUser;";
        conn = new SqlConnection(connectionString);
        adapter = new SqlDataAdapter("Select DIvisionA, Count(NoGames) AS Games, Teams FROM Data", conn);
        adapter.Fill(datatable);

        SqlConnection conn1;
        DataTable datatable1 = new DataTable();
        SqlDataAdapter adapter1;
        string connectionString1 = "Data Source=LVAnimal;Initial Catalog=Data;User Id=AnimalUser;Password=AnimalUser;";
        conn1 = new SqlConnection(connectionString1);
        adapter1 = new SqlDataAdapter("Select DIvisionB, Count(NoGames) AS Games, NightGames FROM Data", conn1);
        adapter1.Fill(datatable1);
        datatable.Merge(datatable1);
        GridView1.DataSource = datatable;
        GridView1.DataBind();

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LVL 35

Expert Comment

by:YZlat
ID: 38814367
so, did you try using

 
for(int i=0;i<datatable1.Rows.Count;i++)
{
    DataRow dr=datatable.NewRow();
    dr[0]=datatable1.Rows[i][0];
    dr[1]=datatable1.Rows[i][1];
    dr[2]=datatable1.Rows[i][2];
    datatable.Rows.Add(dr);
}

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LVL 1

Author Comment

by:RecipeDan
ID: 38820600
Yes I did. It shows three rows of duplicate data from the first datatable
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