using sqlparameter and dataset in C#

// using sqlparameter in C#,Dataset with sqlparameters in c#

SqlParameter[] param = new SqlParameter[1];
param[0] = new SqlParameter("@TypeID", SqlDbType.Int);
param[0].Value = ddlArticleType.SelectedValue;

DataSet ds = new DataSet();
ds = Obj.GetDataSet(strconnect, "Proc_GetActiveTypeID", param);
DdlCategory.DataSource = ds;
DdlCategory.DataTextField = "Categoryname";
DdlCategory.DataValueField = "CategoryId";
DdlCategory.DataBind();
DdlCategory.Items.Insert(0, "Select Category");

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