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    <p>You can have a look on this code:</p> <p><strong>Add.cs</strong></p> <pre><code>public class Add { private List&lt;Childrendata&gt; children; //Create this List of Childrendata in Add.cs form public void CreateChildControls() // This is on Button click to create another from with controls { children = new List&lt;Childrendata&gt;(); // Call Add.cs form and pass the List AddChild obj = new AddChild(children); obj.StoreData(); } public void StoreInDB() // This is on final Submit to DB { if (new InsertAction().Insertchildren(children)) // Pass the same List of Childrendata to Save in DB { MessageBox.Show(" Children Insertion Happen "); } else { MessageBox.Show(" Children Insertion does not Happen "); } } } </code></pre> <p><strong>AddChild.cs</strong></p> <pre><code>public class AddChild { private List&lt;Childrendata&gt; m_children; public AddChild(List&lt;Childrendata&gt; children) { this.m_children = children; //Initialize the same List as sent by Mainform } public void AddControls() { } public void StoreData() // This is on Submit button click in child form to add new child details { for (int i = 0; i &lt; 10; i++) { // Filled with some dummy data Childrendata childdata = new Childrendata(); childdata.Childname = "skumar" + i; childdata.Childblood = "B" + i; childdata.Childbirth = "2013/10/"+ i; m_children.Add(childdata); // Add to same List } } } </code></pre> <p><strong>Childrendata.cs</strong></p> <pre><code> public class Childrendata { string childname, childblood, childbirth; public string Childbirth { get { return childbirth; } set { childbirth = value; } } public string Childblood { get { return childblood; } set { childblood = value; } } public string Childname { get { return childname; } set { childname = value; } } } </code></pre>
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    1. POHow to pass large number of parameters to a constructor?
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    1. COI upvoted this idea because of it starting to follow the model/view/presenter model which I prefer. It allows a person to unit test the form, and the data independently. Plus with this way it gives you more freedom when it comes to checking the data being entered. It may take more time to setup initially it will save you time in the future.
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    2. COthanks sir, sir will you please tell me that , can i delcrare a method inside a method as you told above to create a function inside the function of button click
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    3. CO@user2214972: You can't create method inside other method. What I mean to say is create a separate method and call it from your button click method.
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