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Save and load Listview content

Posted on 2010-11-21
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Last Modified: 2013-11-26
HI,

I have the methode for saving the listview content to file.
But I don't have the methode for loading the content of the file to listview.

Who can help me?

Greetings, Peter Kiers
private void button3_Click(object sender, EventArgs e)
        {
            TextWriter tw = new StreamWriter("Data\\Glucose.sav");
            StringBuilder listViewContent = new StringBuilder();
            for (int item = 0; item < this.lstvGlucose.Items.Count; item++)
            {
                for (int subitem = 0;
                   subitem < this.lstvGlucose.Columns.Count;
                   subitem++)
                {
                    listViewContent.Append
                    (this.lstvGlucose.Items[item].SubItems[subitem].Text);
                    if (subitem < this.lstvGlucose.Columns.Count - 1)
                        listViewContent.Append(",");
                }
                tw.WriteLine(listViewContent);
                listViewContent = new StringBuilder();
            }
            tw.Close();
        }

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Question by:peterkiers
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4 Comments
 
LVL 3

Expert Comment

by:abdkhlaif
ID: 34183232
may I ask why are you asking the same question again?
0
 
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Accepted Solution

by:
peterkiers earned 0 total points
ID: 34183467
Found it:

Greetings, Peter Kiers
private void button3_Click(object sender, EventArgs e)
        {
            FileStream fsWrite = File.Open("Glucose.dat", FileMode.Create, FileAccess.ReadWrite);
            BinaryFormatter binfmt = new BinaryFormatter();
            binfmt.Serialize(fsWrite, new ArrayList(lstvGlucose.Items));
            fsWrite.Close();
        }
        /*--------------------------------------------------------------------*/
        private void button2_Click(object sender, EventArgs e)
        {
            FileStream fsRead = File.Open("Glucose.dat", FileMode.Open, FileAccess.ReadWrite);
            binfmt = new BinaryFormatter();
            ArrayList deserialized_array_list = (ArrayList)binfmt.Deserialize(fsRead);
            Array listviewitem_array = (deserialized_array_list).ToArray(typeof(ListViewItem));
            lstvGlucose.Items.AddRange((ListViewItem[])listviewitem_array);
            fsRead.Close();
        }
        /*--------------------------------------------------------------------*/

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Expert Comment

by:abdkhlaif
ID: 34195200
cancel the question to save your points
0
 
LVL 1

Author Closing Comment

by:peterkiers
ID: 34216127
This is the best solution because it works great and fast.
0

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