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CRUD operation in Client side object model C#.net

Document by Ganesanva@hotmail.com – + 919042710472

This Blog helps you to do CSOM Crud operation in SharePoint 2010 using Managed C# code.
Create a List “Student Details” in Share point as shown below,


Create a new Console Application as shown below,

Click Ok.
Add References in the Solution as shown in Solution Explorer,

Replace the Class Program with the below code,

class Program
{
static void Main(string[] args)
{
string siteUrl = “http://htc:7004/“;
ClientContext clientContext = new ClientContext(siteUrl);
List oList = clientContext.Web.Lists.GetByTitle(“Student Details”);
startconsole:
Console.WriteLine(“Enter your Option:”);
Console.WriteLine(“1. Create New item in Student Details List”);
Console.WriteLine(“2. Update item in Student Details List”);
Console.WriteLine(“3. Get list of items in Student Details List”);
Console.WriteLine(“Enter 1 or 2 or 3”);
int optionvalue = Convert.ToInt32(Console.ReadLine());
if (optionvalue == 1)
{
Console.WriteLine(“Enter EStudent Name”);
string EmpName = Console.ReadLine();
Console.WriteLine(“Enter Student Age”);
string Age = Console.ReadLine();
Console.WriteLine(“Enter Student Code”);
string Code = Console.ReadLine();
ListItemCreationInformation itemCreateInfo = new ListItemCreationInformation();
ListItem oListItem = oList.AddItem(itemCreateInfo);
oListItem[“Title”] = EmpName;
oListItem[“Student_x0020_Age”] = Age;
oListItem[“Student_x0020_Code”] = Code;
oListItem.Update();
clientContext.ExecuteQuery();
Console.WriteLine(“Inserted successfully”);
}
else if (optionvalue == 2)
{
CamlQuery oquery = new CamlQuery();
ListItemCollection oListItemCollection = oList.GetItems(oquery);
clientContext.Load(oListItemCollection);
clientContext.ExecuteQuery();
Console.WriteLine(“Id” + “\t” + “Name” + “\t” + “Age” + “\t” + “Code”);
foreach (ListItem oitem in oListItemCollection)
{
Console.WriteLine(Convert.ToString(oitem[“ID”]).Trim() + “\t” + Convert.ToString(oitem[“Title”]).Trim() + “\t” + oitem[“Student_x0020_Age”] + “\t” + oitem[“Student_x0020_Code”]);
}
Console.WriteLine(“Enter Id to update”);
int id = Convert.ToInt32(Console.ReadLine());
Console.WriteLine(“Enter EStudent Name”);
string EmpName = Console.ReadLine();
Console.WriteLine(“Enter Student Age”);
string Age = Console.ReadLine();
Console.WriteLine(“Enter Student Code”);
string Code = Console.ReadLine();
ListItemCreationInformation itemCreateInfo = new ListItemCreationInformation();
ListItem oListItem = oList.GetItemById(id);
oListItem[“Title”] = EmpName;
oListItem[“Student_x0020_Age”] = Age;
oListItem[“Student_x0020_Code”] = Code;
oListItem.Update();
clientContext.ExecuteQuery();
Console.WriteLine(“Updated successfully”);
}
else if (optionvalue == 3)
{
CamlQuery oquery = new CamlQuery();
ListItemCollection oListItemCollection = oList.GetItems(oquery);
clientContext.Load(oListItemCollection);
clientContext.ExecuteQuery();
Console.WriteLine(“List of items as below”);
Console.WriteLine(“Id” + “\t” + “Name” + “\t” + “Age” + “\t” + “Code”);
foreach (ListItem oitem in oListItemCollection)
{
Console.WriteLine(Convert.ToString(oitem[“ID”]).Trim() + “\t” + Convert.ToString(oitem[“Title”]).Trim() + “\t” + oitem[“Student_x0020_Age”] + “\t” + oitem[“Student_x0020_Code”]);
}
}
Console.WriteLine(“Do you want to repeat the option Y/N?”);
string optionresult = Console.ReadLine();
if (optionresult == “Y”)
{
goto startconsole;
}
}
}

Output as shown below,

Enter Option 1,

Enter Option 3

Enter Option Y

Enter Option 2

Enter N to exit

Click below to download the solution,
https://1drv.ms/u/s!ArddhCoxftkQg9VJ4aFU07BD91QxkA

CRUD operation with SharePoint List in Visual web part

Document by Ganesan – Ganesanva@hotmail.com – + 919600370429

  • Create EmployeeList in Sharepoint 2010 site with the below Columns.

    EmployeeName, Age

  • Create a new Visual Web part Project using File –>New Project


Click Ok.
The Solution Explorer will looks as below,

In VisualWebPart1UserControl.ascx Put the below code snippet,

<table border=”0″ cellpadding=”2″ cellspacing=”2″>
<tr>
<td colspan=”2″ style=”color:Green”>
<asp:Label ID=”lblresults” runat=”server”></asp:Label>
</td>
</tr>
<tr>
<td>
Employee Name
</td>
<td>
<asp:TextBox ID=”txtEmployeeName” runat=”server”></asp:TextBox>
</td>
</tr>
<tr>
<td>
Age
</td>
<td>
<asp:TextBox ID=”txtAge” runat=”server”></asp:TextBox>
</td>
</tr>
<tr>
<td>
</td>
<td>
<asp:Button ID=”btnSave” runat=”server” Text=”Save” OnClick=”btnSave_Click” />
<asp:Button ID=”btnUpdate” runat=”server” Text=”Update”
onclick=”btnUpdate_Click” />
<asp:HiddenField ID=”hfId” runat=”server” />
<asp:Button ID=”btnClear” runat=”server” Text=”Clear”
onclick=”btnClear_Click” />
</td>
</tr>
<tr>
<td colspan=”2″>
<asp:GridView ID=”grvEmployeeDetails” runat=”server” AutoGenerateColumns=”false”>
<Columns>
<asp:BoundField DataField=”ID” HeaderText=”ID” />
<asp:BoundField DataField=”EmployeeName” HeaderText=”Employee Name” />
<asp:BoundField DataField=”Age” HeaderText=”Age” />
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID=”btnEdit” runat=”server” Text=”Edit” onclick=”btnEdit_Click” />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
</table>


In VisualWebPart1UserControl.ascx.cs put/Replace the below code snippet,

public partial class VisualWebPart1UserControl : UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
BindGrid();
btnSave.Visible = true;
btnUpdate.Visible = false;
}
}
private void BindGrid()
{
using (SPSite site = new SPSite(SPContext.Current.Site.Url)) // Site Collection
{
using (SPWeb web = site.OpenWeb()) // Site
{
SPList list = web.Lists[“EmployeeList”]; // List
SPQuery curQry = new SPQuery();
curQry.Query = “”;
//Get the Items using Query
SPListItemCollection olistitemcollection = list.GetItems(curQry);
DataTable dt = olistitemcollection.GetDataTable();
grvEmployeeDetails.DataSource = dt;
grvEmployeeDetails.DataBind();
}
}
}
protected void btnSave_Click(object sender, EventArgs e)
{
using (SPSite site = new SPSite(SPContext.Current.Site.Url)) // Site Collection
{
using (SPWeb web = site.OpenWeb()) // Site
{
SPList list = web.Lists[“EmployeeList”]; // List
SPListItem oListItem = list.Items.Add();
oListItem[“Title”] = txtEmployeeName.Text;
oListItem[“EmployeeName”] = txtEmployeeName.Text;
oListItem[“Age”] = txtAge.Text;
oListItem.Update();
BindGrid();
lblresults.Text = “Saved Successfully”;
}
}
}
protected void btnEdit_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
//Get the row that contains this button
GridViewRow gvr = (GridViewRow)btn.NamingContainer;
hfId.Value = gvr.Cells[0].Text;
txtEmployeeName.Text = gvr.Cells[1].Text;
txtAge.Text = gvr.Cells[2].Text;
btnSave.Visible = false;
btnUpdate.Visible = true;
}
protected void btnUpdate_Click(object sender, EventArgs e)
{
using (SPSite site = new SPSite(SPContext.Current.Site.Url)) // Site Collection
{
using (SPWeb web = site.OpenWeb()) // Site
{
SPList list = web.Lists[“EmployeeList”]; // List
SPListItem oListItem = list.Items.GetItemById(Convert.ToInt32(hfId.Value));
oListItem[“Title”] = txtEmployeeName.Text;
oListItem[“EmployeeName”] = txtEmployeeName.Text;
oListItem[“Age”] = txtAge.Text;
oListItem.Update();
BindGrid();
lblresults.Text = “Updated Successfully”;
}
}
}
protected void btnClear_Click(object sender, EventArgs e)
{
txtEmployeeName.Text = string.Empty;
txtAge.Text = string.Empty;
hfId.Value = string.Empty;
lblresults.Text = string.Empty;
btnSave.Visible = true;
btnUpdate.Visible = false;
}
}


Right click on the Project and Click Deploy.
Go to Home Page and Click on Site Actions –>Edit Page
Insert –>Web part in Ribbon.

Select the Web part and click Add.

The Output as below,




Click below to download the solution,
https://1drv.ms/u/s!ArddhCoxftkQg6l3ED81o25f4nzffg


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